You wouldn't know it to look at them, but political consultants are as faddish as anyone else. And the current voguish advice among the back-room set is: Go after your opponent's strengths. So in the first volley of the general election campaign, Barack Obama has attacked John McCain for being too close to lobbyists. His assault is part of this week's Democratic chorus: McCain isn't really the anti-special interest reformer he pretends to be. He's more tainted than his reputation suggests.
