Jessica Taylor

After a flurry of people jumping into the presidential race, this past week a rare thing happened: A bunch of people jumped out. But their decision to pass on the race could be an indication that an even bigger candidate is close to launching a campaign: former Vice President Joe Biden.

Updated at 7:27 p.m. ET

The Democratic National Committee will not allow Fox News to broadcast any of its 2020 presidential primary debates, citing a recent report about the close relationship between the Trump administration and the conservative cable network.

"I believe that a key pathway to victory is to continue to expand our electorate and reach all voters. That is why I have made it a priority to talk to a broad array of potential media partners, including FOX News," DNC Chairman Tom Perez said in a statement Wednesday.

Vermont independent Sen. Bernie Sanders has signed a loyalty pledge, promising to run and govern as a Democrat if he wins the presidency in 2020, a new requirement for candidates that largely grew out of his own 2016 campaign.

The pledge Sanders signed was given to all active Democratic presidential campaigns last week. It affirms to the DNC chairman that they "are a Democrat ... are a member of the Democratic Party; will accept the Democratic nomination; and will run and serve as a member of the Democratic Party."

Updated 7:22 p.m. ET

Former New York Mayor Michael Bloomberg has announced he will not run for president in 2020.

"While there would be no higher honor than serving as president, my highest obligation as a citizen is to help the country the best way I can, right now," Bloomberg wrote in an op-ed on the news site he owns, Bloomberg News. "That's what I'll do, including the launch of a new effort called Beyond Carbon."

Updated at 9:55 a.m. ET

Former Colorado Gov. John Hickenlooper has announced he will seek the Democratic nomination for president in 2020, becoming the second governor to join a crowded field of candidates.

Washington Gov. Jay Inslee is joining the growing Democratic primary field, making climate change a top issue as he vies to challenge President Trump next year.

"We're the first generation to feel the sting of climate change. And we're the last who can do something about it," Inslee says in his announcement video. "We went to the moon and created technologies that have changed the world. Our country's next mission must be to rise up to the most urgent challenge of our time — defeating climate change."

The testimony on Wednesday from Michael Cohen, President Trump's former personal lawyer who is headed to federal prison in early May, was a potentially seminal moment in the myriad investigations into the Trump administration House Democrats are expected to launch now that they control the chamber.

Updated at 4:28 p.m. ET

The Republican candidate at the center of a months-long investigation into election fraud in a North Carolina congressional race won't be a candidate for the upcoming new election that was ordered last week.

In a statement, Republican Mark Harris cited health concerns and upcoming surgery as one reason he won't run again in the yet-to-be-scheduled race.

Sen. Bernie Sanders of Vermont is giving it another go, launching a second campaign for the White House four years after surprising Democrats with a strong bid for the party's 2016 nomination.

"We began the political revolution in the 2016 campaign, and now it's time to move that revolution forward," the independent senator told Vermont Public Radio in an interview airing Tuesday morning.

Updated at 6:15 p.m. ET

Calling it "a great thing to do," President Trump declared a national emergency on Friday in order to help finance a long-promised wall on the U.S.-Mexico border. It's a highly unusual move from an unconventional president.

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