California Attorney General Kamala Harris is running for the U.S. Senate, and is expected on Tuesday to advance to the general election against U.S. Rep. Loretta Sanchez — a fellow Democrat. Richard Vogel/AP hide caption

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A Facebook official said the company has found no evidence to back up allegations that company contractors suppressed stories of interest to conservatives in its trending topics section. Jeff Chiu/AP hide caption

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House Speaker John Boehner gets emotional and wipes his face during a news conference on Capitol Hill in which he announced he would be resigning at the end of October. Steve Helber/AP hide caption

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Values Voter Summit attendees cheer Boehner's resignation

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Donald Trump speaks to the media at the U.S.-Mexico border in July. The Libre Initiative's letter doesn't call out any candidates by name, but Trump has called for mass deportation and an end to birthright citizenship for immigrants. LM Otero/AP hide caption

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Two teams face off over the motion, "Liberals Are Stifling Intellectual Diversity On Campus," at the latest Intelligence Squared U.S. debate. Chris Zarconi/Intelligence Squared U.S. hide caption

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Debate: Do Liberals Stifle Intellectual Diversity On The College Campus?

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Editors of the conservative Dartmouth Review, from left to right: Sterling Beard, 22, from Abilene, Texas, the Review's editor-in-chief; Benjamin Riley, 20, from New York City; Blake Neff, 21, from Sioux Falls, S.D. John W. Poole/NPR hide caption

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