Former House Speaker Newt Gingrich has crushed pizza magnate Herman Cain, former Massachusetts Governor Mitt Romney, Texas Governor Rick Perry and Texas Congressman Ron Paul in a California Public Policy Polling poll of Republican primary voters. With 33 percent of the votes, Gingrich is 10 percentage points in front of Romney and 11 percentage points in front of Cain. Gingrich is 27 percentage points ahead of Perry and 28 percentage points ahead of Paul. The California PPP poll is the latest evidence that Gingrich is benefiting from Cain’s trouble with sexual harassment allegations stemming from his tenure as head of...