Haven't Verified this Claim as True...
...but if it is, it's one hell of a story. From Bob Owens.com:
Navy SEAL Chris Kyle, America's deadliest sniper of all time with 255 kills, punched the truther former Governor of Minnesota in the face for being an ass in front of the family of CMOH recipient Michael Monsoor, calling the SEALs murderers and saying they deserved to die.
Kyle offered his version of the episode on the Opie and Anthony radio show. The recipient of his fist, Jesse Ventura, has not responded publicly.
On behalf of everyone who grew tired of Ventura long ago, we can only offer two words to Chief Kyle: