Hillary Clinton tried to take a break from controversy this week with a speech at Columbia University in New York voicing her concern about civil unrest in Baltimore and her prescription for reforming the criminal justice system. But for the former Secretary of State and leading Democratic presidential candidate, renewed controversy is always just around the corner. On Thursday, House Republicans announced that their once floundering probe of Clinton’s conduct surrounding the 2012 terrorist attacks on a U.S. diplomatic outpost in Benghazi, Libya just got another important boost: The State Department handed over 4,000 pages of new documents to a...