Isn't it sad that McCain has to defend Obama at his rallies? ?

Isn't that an indication that negative is not the way to go? He should be talking more about what HE will do for America instead of giving bogus or misleading information about Obama that he has to backtrack and talk FOR Obama? Now ain't that crazy? He's talked so bad about Obama that now he has to campaign FOR him and almost incite riots at his rallies. Only in American politics.