Former Pennsylvania Senator Rick Santorum, following his wins last week in Colorado, Minnesota and Missouri, has now jumped ahead of Mitt Romney in Michigan's Republican Primary race. The latest Rasmussen Reports telephone survey of Likely Republican Primary Voters in Michigan shows Santorum with 35% of the vote to Romney’s 32%. Well behind are Texas Congressman Ron Paul with 13% and former House Speaker Newt Gingrich with 11%. Only one percent (1%) prefers some other candidate in the race, while eight percent (8%) are undecided.