His biggest disaster was the debate in Iowa, where Al Sharpton embarrassed him. Looked very unpresidential, and only 18% of Iowans voted for him. But the scream clinched it.
Born to wealth on New York's Park Avenue, his Yale pedigree was much closer to Bush's than the working people to whom he said he was giving voice.
Subsititute Boston for New York, and you will have a deja vu, for the day after Bush trounces Mr.Ed.