Here's Mr. Dukakis pictured in a tank shortly before getting creamed by Bush Senior in the 1988 presidential election (via My Aisling).



Now here's Kerry doing a high-tech impression of Dukakis.



I could be wrong, but I don't think the Democrats wanted their presidential candidate to be doing impressions of a past Democratic presidential candidate, who also happens to be another Massachussets liberal and got defeated by a man with the last name Bush, shortly before their national convention.

Plus, he looks like an idiot.