Fleet Week is pretty much over, but there’s still a chance to see Marines singing for their supper at a Hard Rock Café karaoke party. The fun begins at 7 p.m. at the Times Square restaurant in midtown Manhattan. Today was the last day of the weeklong event, and it started at 8 a.m. with about 400 Marines, sailors, Coast Guardsmen and New York’s police and firefighters making a run through downtown Manhattan to honor 9/11 victims and America’s fallen heroes. More than 3,000 members of the military were in the New York City area participating in re-enlistment ceremonies, community…