the hangover three

The Hangover III Trailer [VIDEO]
The wolf pack is back.  The trailer for 'The Hangover III' has the boys in trouble once again. Bradley Cooper, Ed Helms, Zach Galifianakis, Justin Bartha and Ken Jeong are back.  This time, trouble arises when the guys take a road trip to get Allen (Zach Galifianakis) professiona…