It's amazing what happens when the media is focused on driving a narrative, to the exclusion of everything else that's relevant. In this case, the narrative in question is the "Democrats Divided" narrative.
I happened to see a truck driving down the street right outside the Big Tent, with two people in the bed of it waving handmade "Hillary or McCain" signs and shouting anti-Obama slogans. Mind you: two nuts in a truck.
And yet, there were 15 cameras turned on them, watching their every move.
Add to that the fact that CNN has been caught fudging the numbers to promote this narrative, and you've got a recipe suggestion an incredibly strong compulsion to pursue one theme, and one alone--and a false one at that.