MOVIE: The 2006 Clark Kent hit the big screen in Superman Returns. Tonight catch the superhero do his thing all over again at the River Flicks outdoor film series. Free popcorn, free film and a nice cold summer breeze. Bring a blanket! Sunset // Hudson River Park, Pier 54 // Free MUSIC:The XYZ Affair has pretty much pounded their new song into our heads via a video starring old Nickelodeon "stars" we don't recognize. Tonight,......