Both conventions are going to be a frigging zoo.
What the Democrats are hoping for is that there is no repeat of Chicago in 1968. The second worst thing that could happen is that the leftist psycho hose beasts will present themselves in such numbers and with such enthusiasm that the viewers will begin to connect them with the Democratic Party.
It may be a lot of fun partying down with Michael Moore, but he's not what the undecided voter is going to be impressed by.