Political organizations

President Donald Trump arrives to speak at the National Association of REALTORS Legislative Meetings and Trade Expo, Friday, May 17, 2019, in Washington. (AP Photo/Susan Walsh)

FILE - In this Feb. 9, 2016 file photo, CIA Director John Brennan participates in the Senate Intelligence Committee's hearing on worldwide threats, on Capitol Hill in Washington. House Democrats will hear from former CIA director Brennan about the situation in Iran amid concerns over the Trump administration’s actions in the region. An outspoken critic of President Donald Trump, Brennan has been invited to a private caucus meeting Tuesday, May 21, 2019. (AP Photo/Alex Brandon, File)

Democratic presidential candidate, former Vice President Joe Biden meets with attendees during a campaign rally at Eakins Oval in Philadelphia, Saturday, May 18, 2019. (AP Photo/Matt Rourke)

FILE - In this Thursday, Feb. 23, 2017 file photo, U.S Rep. Justin Amash, R-Cascade Township, speaks to the audience during a town hall meeting at the Full Blast Recreation Center in Battle Creek, Mich. Amash, a Republican congressman from Michigan says he’s concluded that President Donald Trump has “engaged in impeachable conduct.” Congressman Justin Amash tweeted Saturday, May 18, 2019 that he has read the entire redacted version of special counsel Robert Mueller’s Russia report. (Carly Geraci//Kalamazoo Gazette via AP, File)

In this May 16, 2019, photo, President Donald Trump speaks in the Rose Garden of the White House in Washington. For all Trump’s talk of winning, his lawyers are using a legal argument that many scholars say is a pretty sure loser to try to defy congressional attempts to investigate him. (AP Photo/Manuel Balce Ceneta)

Abortion-rights activists react after lawmakers approved a sweeping piece of anti-abortion legislation, a bill that would ban most abortions in the state of Missouri, Friday, May 17, 2019 in Jefferson, Mo. If enacted, the ban would be among the most restrictive in the U.S. It includes exceptions for medical emergencies, but not for pregnancies caused by rape or incest. Doctors would face five to 15 years in prison for violating the eight-week cutoff. Women who receive abortions wouldn't be prosecuted. (Christian Gooden/St. Louis Post-Dispatch via AP)

Same-sex marriage supporters hug outside the Legislative Yuan in Taipei, Taiwan, Friday, May 17, 2019, after Taiwan's legislature has passed a law allowing same-sex marriage in a first for Asia. The vote Friday allows same-sex couples full legal marriage rights, including in areas such as taxes, insurance and child custody. (AP Photo/Chiang Ying-ying)

Montana Gov. Steve Bullock, Democratic presidential candidate, officially announces his campaign for president Tuesday, May 14, 2019, at Helena High School in Helena, Mont. (Thom Bridge/Independent Record via AP)

FILE - This July 16, 2013 file photo shows a sign at Facebook headquarters in Menlo Park, Calif. Facebook said Thursday, May 16, 2019, that it has banned Archimedes, an Israeli company that ran an influence campaign aimed at disrupting elections in various countries, and has canceled dozens of accounts engaged in spreading disinformation. Nathaniel Gleicher, Facebook’s head of cybersecurity policy, told reporters that the tech giant had purged 65 Israeli accounts, 161 pages, dozens of groups and four Instagram accounts. (AP Photo/Ben Margot, File)

President Donald Trump speaks about modernizing the immigration system in the Rose Garden of the White House, Thursday, May 16, 2019, in Washington. (AP Photo/Manuel Balce Ceneta)