Powerline Blog have what seems to be a definitive smoking gun: This, written by an editor of an unamed news network (excerpt follows)
It is not our place, of course, to attribute the rabid hatred these delegates feel towards Obama to race. But viewers may be able to connect the dots if we intersperse our coverage with film clips of Bull Conner, old-time Alabama state troopers (preferably "large"), and the hosing and beating of black protesters in the early 1960s.
Read the whole thing.
When Ihave time, a-fisking we will go.
Satire. I swallowed it hook, line, and sinker!