Sen. Bernie Sanders, I-Vt., has gotten some of the biggest and most devoted crowds of the 2016 presidential race, including in Portland, Ore., this month, where he drew more than 19,000. Troy Wayrynen/AP hide caption

itoggle caption Troy Wayrynen/AP

President Obama speaks in Ethiopia. While there, he noted that in the U.S., presidents can't run for more than two terms. But if they could, he said, he'd win. Mulugeta Ayene/AP hide caption

itoggle caption Mulugeta Ayene/AP

Donald Trump has landed in controversy since getting into the Republican race for the presidential nomination, but he has only seen his standing increase. Frederic J. Brown/AFP/Getty Images hide caption

itoggle caption Frederic J. Brown/AFP/Getty Images

A Tea Party supporter rings a bell in protest of the health care law in front of the U.S. Supreme Court, as Obamacare supporters shout behind her. Alex Wong/Getty Images hide caption

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Part of Texas' congressional redistricting map from 2003. The lead plaintiffs in Evenwel v. Abbott are residents of a state Senate district in Texas who say their equal rights to representation are diluted because Texas equalized the districts in population terms, and€” not in terms of eligible voters. Harry Cabluck/AP hide caption

itoggle caption Harry Cabluck/AP