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The Latest on the 2016 presidential race (all times EDT):
In Philadelphia, the Democrats' presidential hopeful has a full plate between winning over party progressives and speaking to a broader audience.
Police officers are posted at street corners in downtown Philadelphia as protesters prepare for a sweltering day of marches and rallies ahead of the Democratic National Convention.
Military veteran Alan Duff will take him on in the GOP primary Aug. 9.
It's Hillary Clinton's turn.