U.S. Open Fight -- Who's At Fault?!

You gotta watch this video of an insane fight that broke out at the U.S. Open yesterday.

** warning -- the footage contains explicit language **



Here's what's clear:

-- The young man is a loudmouth
-- The woman clearly incites the young dude by slapping him in the face
-- The old man further incites the dude by aggressively approaching the dude and kicking a can

So we ask ...