They are saying heart attack. I don't believe it for a minute. The lying coward committed suicide, I'll bet, probably by some drug. May he rot in hell.
EDIT: More likely the Bush Crime Family shut him up for good before he could 'negotiate' a lighter sentence by telling what he knows about King George.
Hasn't anyone at DU ever heard of Occam's Razor
They're probably still having trouble with Gillete's razor