Donald Trump poses for a selfie with a woman wearing a "Team Trump" T-shirt on stage at the National Federation of Republican Assemblies Presidential Preference Convention in Nashville, Tennessee. Jason Davis/Getty Images hide caption

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After working for Republican presidential candidate Rick Perry, Sam Clovis this week decided to switch sides and be rival Donald Trump's national campaign co-chairman. Shown here in 2014, Clovis ran for a U.S. Senate seat from Iowa. Charlie Neibergall/AP hide caption

itoggle caption Charlie Neibergall/AP

Dallas District Attorney Susan Hawk had missed events and been absent for the past three weeks. Her staff said she was on a long vacation, but she later said she is being treated for depression. Courtesy Stella Chavez/KERA News hide caption

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Rep. Chaka Fattah, D-Pa., arrives at the federal courthouse in Philadelphia earlier this month. Fattah has been indicted on charges he misappropriated hundreds of thousands of dollars of federal, charitable and campaign funds. Matt Rourke/AP hide caption

itoggle caption Matt Rourke/AP