Mike Huckabee's win in the Iowa caucuses was impressive, but he should expect his road to get rockier from now on.

The Club for Growth, the free-market advocacy group that has pounded him all year, can be expected to redouble its efforts. And other conservative leaders now might decide they need an anti-Huckabee as much as they needed an anti-Giuliani two months ago.

Richard Viguerie last night called Huckabee a "Christian socialist."

"He is a good man, but with a Big Government heart," Viguerie said of the former Arkansas governor. "He is the most liberal of all the Republican presidential candidates on economic issues."

Pat Toomey, president of the Club for Growth, said Huckabee is more in line with John Edwards than with Republicans.

But Huckabee's win, coupled with Sen. Barack Obama's on the Democratic side, suggests a desire across both parties for something new. In each case, voters chose the man who appeared to be the least "Washington." So maybe attacks from Washington-based pundits, strategists and interest groups won't take Huckabee down.

— Stephen Dinan, national political reporter, The Washington Times