The story isn't that the Democrats finally took on Hillary Clinton. Nor is it that they were gentlemanly to the point of gingerly and tentative. There was an air of "Please, somebody kill her for me so I can jump in and show high minded compassion at her plight!" Barack Obama, with his elegance and verbal fluency really did seem like that great and famous political figure from his home state of Illinois--Adlai Sevenson, who was not at all hungry, not at all mean, and operated at a step removed from the grubby game. Mr. Obama is like someone who...