The Department of Justice has opened an investigation into Secretary of Labor Alex Acosta’s role in negotiating a controversial plea deal with a wealthy New York investor accused of molesting more than 100 underage girls in Palm Beach. The probe is in response to a request by Sen. Ben Sasse, a a Nebraska Republican and member of the Senate Judiciary Committee, who raised questions about the case following a series of stories in the Miami Herald. The Herald articles detailed how Acosta, then the U.S. attorney for the Southern District of Florida, and other DOJ attorneys worked hand-in-hand with defense...