That has energized a reluctant evangelical Republican base, promising that in the fall they might turn out in greater numbers than thought. It has put the change issue more on the side of the Republicans than we had thought. And it has made the prospect of a female vice president a potential appeal to former Clinton supporters.
However, the historical markers still favor the Democrats. People identify themselves as Democrats more than Republicans by 10 points. But, the outcome of this election is still as hard to predict as any.
Just click on the monitor to hear the rest of Jeff Greenfield's thoughts on the convention.