As the film's depiction of the Iraq War has come under scrutiny, Cooper, who portrays Navy SEAL Chris Kyle, says the discussion is moving away from "the fact that 22 vets commit suicide each day."
The actor, nominated for an Academy Award for his role in David O. Russell's film, talks about watching movies with this father as a kid in Philadelphia, his childhood fascination with soldiers and being up against Daniel Day Lewis for an Oscar.
Bradley Cooper starred as a schoolteacher heading to Vegas for a wild bachelor party in the 2009 raunchy bromance The Hangover. He reprises his role for the sequel, alongside actors Zach Galifanakis and Ed Helms -- and a drug dealing money named Crystal.