Biden "means what he says," he's mean when he says it, and when he gets through what he says is mean-ingless.
The fatuous idiot really doesn't know very much. His head is so filled with his own magnificence that there's no actual room for knowledge . . . besides, have you EVER seen a national candidate behave soooo bizarrely?
He made Rick Perry's famous goofy appearance in the New Hampshire banquet during the primaries look sedate and sober in comparison . . . I wonder if anyone checked to see if Old Joe's water was actually vodka.