The Dean campaign had a true air of revolution about it. There was the feisty and original candidate, the daring and brooding campaign manager, the young and eager volunteers, the committed grassroots network, and all those under-$100 checks that kept pouring in and breaking records. But after Dean's spectacular collapse, beginning with his loss in Iowa and the "I have a scream" concession speech, it was hard not to question how everything could have fallen apart so quickly. Was the revolution for real?According to Paul Maslin, Dean's political pollster, it was for real. For Maslin, that revolution—and all the changes...