Efforts to unite the Democratic Party behind Hillary Clinton suffered a setback as the party began its four-day convention in Philadelphia. The release of emails, hacked from the Democratic National Committee, showed what supporters of Senator Bernie Sanders suspected: the party’s leadership favored Clinton over Sanders. The Vermont senator ran a stronger than expected challenge to Clinton for the Democratic presidential nomination. He received strong support from young voters. Clinton, who won strong support from African-Americans and older Democratic voters, is scheduled to accept the Democratic nomination on Thursday. Clinton supports Sanders’ calls to reduce income inequality and says she has the experience as a former secretary of state, a U.S. senator and a First Lady to be an effective president.