Dont buy those Ben Affleck and Jennifer Lopez wedding presents just yet..'Everyone thought they would get married this summer,' said a Lopez pal.'But her work schedule kept filling up, so it's not happpening yet.'Lopez is going to spend her summer in Winnipeg working with Richard Gere on Mirimax's remake 'Shall We Dance.'Meanwhile, Ben Affleck looks like he is serious about getting into politics. The star dropped his longtime publicity man David Pollack for the politically connected Ken Sunshine.