Political organizations

This artist sketch depicts Senate Majority Leader Mitch McConnell, R-Ky., left, and Senate Minority Leader Chuck Schumer, D-N.Y., right, listening to defense arguments in the impeachment trial of President Donald Trump on charges of abuse of power and obstruction of Congress, at the Capitol in Washington, Monday, Jan. 27, 2020. (Dana Verkouteren via AP)

Democratic presidential candidate Sen. Bernie Sanders, I-Vt., speaks at a campaign rally Sunday, Jan. 26, 2020, in Sioux City, Iowa. (AP Photo/John Locher)

Democratic presidential candidate former South Bend, Ind., Mayor Pete Buttigieg speaks at a FOX News Channel Town Hall at the River Center, Sunday, Jan. 26, 2020, in Des Moines, Iowa. (AP Photo/Andrew Harnik)

FILE - In this March 5, 2019 file photo, national security adviser John Bolton adjusts his glasses before an interview at the White House in Washington. (AP Photo/Jacquelyn Martin)

Democratic presidential candidate Sen. Bernie Sanders, I-Vt., pauses while speaking at a campaign stop at La Poste, Sunday, Jan. 26, 2020, in Perry, Iowa. (AP Photo/Andrew Harnik)

FILE - This Sept. 6, 2012, file photo shows the Amazon logo in Santa Monica, Calif. Hundreds of employees are openly criticizing Amazon's record on climate change despite what they say is a company policy that puts their jobs at risk for speaking out. On Sunday, Jan. 26, 2020, more than 300 employees of the online retail giant signed their names and job titles to statements on blog post on Medium. The online protest was organized by a group called Amazon Employees For Climate Justice, an advocacy group founded by Amazon workers that earlier this month. (AP Photo/Reed Saxon, File)

Democratic presidential candidate former Vice President Joe Biden speaks during a campaign event with the International Association of Bridge, Structural, and Ornamental Iron Workers, Sunday, Jan. 26, 2020, in Des Moines, Iowa. (AP Photo/Matt Rourke)

President Donald Trump's personal attorney Jay Sekulow, center, stands with his son, Jordan Sekulow, left, and White House Counsel Pat Cipollone, while arriving at the Capitol in Washington during the impeachment trial of President Donald Trump on charges of abuse of power and obstruction of Congress, Saturday, Jan. 25, 2020. (AP Photo/Julio Cortez)

Burundi Army Gen. Evariste Ndayishimiye gestures to party supporters after being chosen as their presidential candidate, at a national conference for the ruling CNDD-FDD party in the rural province of Gitega, Burundi Sunday, Jan. 26, 2020. Burundi's ruling party chose Gen. Evariste Ndayishimiye to be its candidate in the presidential election set for May, signaling that the country's current president Pierre Nkurunziza will now retire after serving three terms. (AP Photo/Berthier Mugiraneza)

In this image from video, White House counsel Pat Cipollone speaks during the impeachment trial against President Donald Trump in the Senate at the U.S. Capitol in Washington, Saturday, Jan. 25, 2020. (Senate Television via AP)