A third national poll has now shown former Senator Rick Santorum (R-PA) with a lead in the Republican primary race. A new survey commissioned by CBS News and the New York Times shows Santorum with 30 percent of GOPers, followed closely by former Massachusetts Gov. Mitt Romney at 27, Rep. Ron Paul (R-TX) with 12 and former House Speaker Newt Gingrich has faded to the back with 10 percent.