Barack Obama is slumping. Poll numbers are down. Enthusiasm is down. Democrats, once again, are freaking. So, we asked a few folks, from different walks of life, to offer their opinion on what Obama should do to improve his standing. Here's what former Massachusetts Governor and 1988 Democratic presidential nominee Michael Dukakis had to say: On campaigning: "I think this thing is going to be won in the field, with basic grassroots organizing ... and I don't think McCain has anything out there. Obama is attempting to do that more thoroughly and better, in more states, than I think anybody...