• Jay Inslee, Seth Moulton and John Hickenlooper announce they will be dropping out of the 2020 race.
• In their departing announcements, Inslee says he intends to run for Colorado governor and Hickenlooper expresses intention to run for Senate. 
• Days later, Sen. Kirsten Gillibrand also drops out. 
• Quick Read

• The next 10 Democratic meet in the second night of the second primary debate. Biden, the front runner, is the target of attacks from most of the candidates, primarily Kamala Harris and Cory Booker.

• Topics of debate included immigration, justice reform and healthcare.

• While Biden didn’t falter, he didn’t definitively shine either, according to the NYT. 

• Ten Democrats meet in the first day of the second primary debate, including frontrunners Elizabeth Warren, Bernie Sanders and Pete Buttigieg.

• The candidates discuss immigration, healthcare, race and gun violence.

• The debate reveals “the [Democratic] party’s deep divisions over how best to win in 2020” according to the BBC. 

• California Governor Gavin Newsom signs a bill that requires all presidential and gubernatorial candidates to release their tax returns if they want to be included in the state’s primary ballots.

• Since beginning his run in 2016, Trump has not released his tax return publicly.

• 10 Democratic candidates have released their tax returns so far.

• Trump and the Republican National Committee filed two lawsuits challenging the new law.

• Robert Mueller testifies that "many more countries are developing capabilities to replicate" the election meddling the Russians did in 2016.

• According to the Washington Post, multiple countries, including Iran, are showing not only the ability to replicate Russia’s efforts, but a willingness to do so.

• In the same vein, Mitch McConnell blocks a Democrat bill that would allocate funds for strengthening election security. 

Candidates report their quarter two fundraising earnings. Pete Buttigieg raised the most money of any Democratic hopeful at $24.8 million, followed by Biden at $21.5 million and Sanders at $18 million. Trump and the Republican National Committee, however, raked in $54 million last quarter.

The second group of Democratic candidates meet for debate in Miami, with frontrunners Joe Biden, Bernie Sanders, and Kamala Harris all participating. A heated exchange between Biden and Harris steals the show

Ten Democratic candidates square off in first debate. Discussing topics such as immigration, healthcare, the economy and reproductive rights, the candidates “agree on the issues, but diverge on the solutions,” according to the NYT

Democratic presidential candidate Pete Buttigieg discusses his experience with depression following his stint in Afghanistan. Previously, candidate Seth Moulton had talked about his struggles with PTSD after his military tours. Both have policy plans to address mental health

At an Orlando rally, President Trump launches his 2020 campaign for re-election. In the speech, Trump continues his 2016 incendiary, anything goes style of campaigning saying, "[The Democrats] want to destroy you and they want to destroy our country.” However, Trump's campaign might be different this time around. Days before the kickoff, the WSJ publishes a piece reporting that Trump's 2020 campaign is striving for "order and discipline"

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Warren unveils a new economic plan that calls for a big investment in green energy jobs, a new Economic Development department, and manipulating the U.S. dollar to help American workers. The plan receives unexpected praise from conservatives such as Tucker Carlson, as well as renewed focus on Warren’s effort to push, as Farhad Jamoo argues, “grand, detailed and daring ideas.”

The Democratic National Committee (DNC) announces new requirements to qualify for the third 2020 Democratic televised presidential debate. Candidates will now have to reach 2 percent in four qualifying polls and eclipse 135,000 donors to participate. 

At a small event in Kentucky, Senate Majority Leader Mitch McConnell told voters he would fill a Supreme Court vacancy next year should one open up. To some, the comments were considered hypocritical because the powerful Kentucky senator had refused to move forward on President Obama's Supreme Court pick, Judge Merrick Garland, in 2016 because, he argued, it was a presidential election year

Rep. Seth Moulton, 2020 primary candidate and former Marine, discusses his battle with Post-Traumatic Stress Disorder following his tenure in the Iraq War. The Massachusetts congressman also rolls out a proposal for a military healthcare system

As social conservatives continue to repeal abortion rights in various states, 2020 Democratic candidates, especially women, loudly express their disapproval, catapulting the issue into the national conversation

Beto lays out the first major policy proposal of his presidential campaign, a far-reaching climate change proposal that calls for $5 trillion to help the U.S. to reach net-zero emissions by 2050. It’s the first major climate change proposal by a 2020 candidate

Joe Biden raises more money in the first 24 hours following campaign launch than any other 2020 Democratic rival has in same period of time

F.B.I. Director Christopher Wray says Russia is a “significant counterintelligence threat” for the 2020 election

Joe Biden, the former vice president to Barack Obama and Delaware senator, officially kicks off his campaign for president in a video message on Twitter. Biden, an instant frontrunner because of his name recognition and experience, has been embroiled in controversy over his past voting record and allegations he inappropriately touched multiple women

The full 448 page Mueller Report is released with some portions redacted. It does not accuse the Trump campaign of conspiring with Russia to influence the 2016. It does, however, lay out moments Trump may have committed obstruction of justice crimes but avoids charging the president 

Pete Buttigieg, a Democratic mayor from South Bend, Indiana known affectionately as "Mayor Pete," officially launches his campaign for the White House. Buttigieg, who would be the first openly gay U.S. president, kisses his husband during the ceremony – a symbolic moment for some of his trailblazing candidacy

Several Democratic candidates for president release their tax returns, showing detailed accounts of their incomes. Most notably, the documents show that several candidates, including Bernie Sanders, are part of the top 1% of earners in the U.S.

After two more women come forward with allegations against Biden bringing the total count to four, Joe Biden publishes a video message on Twitter saying he will be "more mindful" of personal space

A Connecticut woman alleges that Joe Biden touched her inappropriately at a Greenwich fundraiser

Lucy Flores, a Nevada Democrat, accuses Joe Biden of inappropriate kissing

After participating in a CNN Town Hall, Buttigieg, the mayor from South Bend, Indiana pegged as a long-shot candidate for president, surges in popularity online and in the polls, and announces large fundraising haul

A large group of 2020 Democratic presidential candidates convey their approval for legalizing marijuana. The Democratic contenders argue legalization would help rectify racial injustice involving marijuana convictions. In February, Sen. Cory Booker, a 2020 Democratic presidential hopeful, released a plan to legalize weed and wipe away past marijuana criminal convictions 

In a video published on Twitter, former Rep. Beto O'Rourke announces his intention to run for president in the 2020 election

Brown, a Democrat, announces that he will not seek the presidential nomination. Many had pegged Brown – who is popular in Ohio and a strong advocate for manufacturing workers – as one of the Democrat's best chances to win back the Midwest

In response to a New Yorker report detailing "seamless" ties between the Trump administration and Fox News, the DNC says they will not allow the conservative T.V. station to air any televised Democratic candidate debate through 2020

On a outdoor stage in Minnesota on a frigid, snowy day, Klobuchar announces her campaign for the 2020 presidential election

Outside an old mill building in Lawrence, MA where a famous labor strike was once held, Warren announces her campaign for the 2020 presidential election

Former anonymous Klobuchar staffers describe Klobuchar as habitually demeaning and prone to outbursts of cruelty

In a video published on YouTube, Senator Bernie Sanders announces he will seek the Democratic candidacy for the 2020 presidential election

In a video published to Twitter, Senator Cory Booker announces his campaign for the 2020 presidential election

Following Sen. Warren and Rep. Ocasio- Cortez’s proposals of higher tax rates for the ultra- wealthy, Senator Sanders announces a bill that would broaden the pool of Americans subject to estate taxes. Like Warren and Ocasio- Cortez’s proposals, the bill is designed to generate funds for social plans such as “Medicare for All.” But Republicans have fought back against the proposals, with President Trump describing them as “horrible” and “unfair”

On Good Morning America, Senator Kamala Harris announces her campaign for the 2020 president election