Former President Barack Obama speaks in Johannesburg on Tuesday at the centennial of Nelson Mandela's birth. Gianluigi Guercia/AFP/Getty Images hide caption
2018 midterm elections 2018 midterm elections
Democrats are experiencing a surge in fundraising as they seek to capture the U.S. House in this fall's midterm elections. Brendan Smialowski /AFP/Getty Images hide caption
Rep. Mike Capuano struggles to understand why some voters think race and gender are relevant in this race. When Capuano campaigns, he doesn't talk much about his opponent, focusing on his own record. Asma Khalid/NPR hide caption
Democratic House nominee Alexandria Ocasio-Cortez's progressive agenda clashes with the centrist campaigns championed by House Minority Leader Nancy Pelosi and Senate Minority Leader Chuck Schumer. Rep. Conor Lamb's special election victory was built on a low-key centrist platform. Mark Lennihan/AP; Aaron P. Bernstein/Getty Images; Mark Wilson/Getty Images; Alex Brandon/ AP hide caption
For Democrats, Pragmatists Are Still Trumping Progressives Where It Counts
Immigrant rights advocates pitched their tents for an encampment outside the ICE offices in downtown Los Angeles on Thursday. The new liberal rallying cry raises more questions than it answered. Frederic. J. Brown/AFP/Getty Images hide caption
President-elect Trump's acceptance speech was broadcast in Times Square in New York City after his 2016 election. Nearly two years later, the partisan divide grows even wider. Michael Reaves/Getty Images hide caption
Vice President Pence speaks during a campaign event for Pennsylvania congressional candidate Rick Saccone in February. Pence is playing a big role in Republicans' midterm election campaign. Pete Marovich/Getty Images hide caption
Pence's Midterm Message Shows How His Future Depends On Trump's Success
Florida Gov. Rick Scott joined a January event on the ongoing relief efforts for those affected by Hurricane Maria in Florida and Puerto Rico. With a growing bloc of voters from the island in Florida, the Republican Scott and Democratic Sen. Bill Nelson have been attacking each other over the issue of relief efforts in Puerto Rico in their high-stakes Senate campaign. Wilfredo Lee/AP hide caption
Sen. Claire McCaskill, D-Mo., speaks to supporters at the opening of her campaign field office on May 18 in Ferguson, Mo. Bill Boyce/AP hide caption
President Trump speaks during the Susan B. Anthony List's 11th annual Campaign for Life Gala at the National Building Museum on Tuesday. President Trump addressed the annual gala of the anti-abortion group and urged people to vote in the midterm election. Alex Wong/Getty Images hide caption
Kara Eastman, winner of the Nebraska 2nd Congressional District primary Tuesday, is hugged by her campaign manager, Ben Onkka, in Omaha, Neb. Nati Harnik/AP hide caption
North Carolina Democratic Rep. Alma Adams is one of the 27 women who come away from Tuesday's primaries with a spot on the general election ballot. Tom Williams/CQ-Roll Call, Inc./Getty Images hide caption
Former FBI Director Robert Mueller, special counsel on the Russia investigation, leaves following a meeting with members of the Senate Judiciary Committee in June 2017. Saul Loeb/AFP/Getty Images hide caption
Rep. Elizabeth Esty, D-Conn., at a news conference in 2013. On Monday the three-term congresswoman announced she will not seek re-election in 2018. Tom Williams/CQ-Roll Call,Inc. hide caption
Hillary Clinton, seen at a 2017 event in New York, recent appeared at a conference in India and talked about the 2016 campaign, saying that she won areas that were hopeful and Trump spoke to voters' racial and gender intolerance. Craig Ruttle/AP hide caption
Supporters of Democratic congressional candidate Conor Lamb await results on Tuesday night in Canonsburg, Pa. Lamb and Republican Rick Saccone were locked in a race that was declared too close to call hours after polls closed. Drew Angerer/Getty Images hide caption
Rep. Dana Rohrabacher, R-Calif., seen in 2013, stands out in the Republican Party for his urging of closer ties with Russia. Under the cloud of investigations over Russian meddling in American politics, he's being challenged over that stance in his re-election campaign. Lauren Victoria Burke/AP hide caption
Texas land commissioner George P. Bush attends a 2016 Veterans Day celebration. He's running for reelection with President Trump's endorsement, two years after his father's presidential bid failed amid withering insults from Trump. LM Otero/AP hide caption
Voters stand in line to cast their ballots inside Calvary Baptist Church March 1, 2016, in Rosenberg, Texas. Erich Schlegel/Getty Images hide caption
Mississippi state Sen. Chris McDaniel is expected to make his primary challenge against incumbent Republican Sen. Roger Wicker official on Wednesday. Rogelio V. Solis/AP hide caption
The United States Capitol building in Washington, D.C. Getty Images hide caption
Russian President Vladimir Putin delivers a speech in Moscow's Red Square last May. Russian-backed efforts attempting to interfere in U.S. politics appear to be evolving. Yuri Kochetkov/AFP/Getty Images hide caption
Tracking Shows Russian Meddling Efforts Evolving Ahead Of 2018 Midterms
Tea Party activists hold a rally on Capitol Hill in 2010. That grassroots movement, with backing from the Koch political network, helped Republicans win back the House in the 2010 midterms. In 2018, the Koch network is on defense against Democratic gains. Chip Somodevilla/Getty Images hide caption
Koch Brothers, Behind Tea Party Wave, Face Democrats' Rising Tide In 2018
Steve Bannon, the former chief strategist to President Trump, speaks in Warren, Mich., in November. Two months later, he was shunned by the president and out of a job at Breitbart News. Paul Sancya/AP hide caption
Representative Darrell Issa, R-Calif., became the 31st Republican to announce he is not seeking re-election in this year's midterms. Bloomberg/Bloomberg via Getty Images hide caption