By Lee Walczak
Channeling Howard Dean. Reacting to GOP convention speakers such as Georgia renegade Senator Zell Miller, who systematically skewered Kerry, Democrats want their champion to take the gloves off and start calling Bush and Vice-President Dick Cheney draft-dodging prevaricators who have no business challenging anyone's valor. But if Kerry goes overboard, he'll be reacting to a sucker punch.
An escalating exchange along these lines could result in some voters fe