ARG has Rudy 24, McCain 20, Fred Thompson 15, Gingrich 12, Romney ten.

Compared to ARG’s poll last month, Rudy and McCain are each down four percent (not exactly an watertight case for an immigration backlash against McCain). Thompson jumped from six to 15.

A McCainiac notes that while some people were buzzing that the L.A. Times poll had McCain at 12 nationally (low compared to most others), the April L.A. Times poll had McCain at 12 as well. Similarly, Rasmussen has had McCain at 11 percent (early June) 14 percent (late May), 18 percent (mid May).

By compaison, AP, Gallup and the Washington Post all had McCain at 19 percent. So there’s not much evidence, so far, of immigration driving down McCain’s numbers…