‘The Watch’ Trailer: More Aliens, Less Neighborhood Vigilantism
Conan O'Brien seemed as surprised as his audience by the two guests stars on his stage Tuesday night. First, 'SNL' and '30 Rock' comedian Chris Parnell popped up in a sketch led by Deon Cole, but walked off the stage almost as unceremoniously as he arrived. Seconds later, though, Vince Vaughn took the stage with an exclusive new trailer for his summer comedy 'The Watch.' Didn't stay up to watch th