Republican Candidates Campaign ahead of Michigan and Arizon Primaries
Voters head to the polls Tuesday in U.S. Republican presidential hopeful Mitt Romney's native Michigan in a key primary that once again may reset the course of a unpredictable Republican presidential race.
5
Republican presidential candidate Ron Paul waves after speaking at Michigan State University during a rally in East Lansing on February 27, 2012. (AP)
6
Supporters cheer for Republican presidential candidate Ron Paul during a rally at Michigan State on February 27, 2012. (AP)
7
Republican presidential candidate Newt Gingrich focused on Super Tuesday states, and spoke during a campaign rally in Nashville, Tennessee on February 27, 2012. (AP)
8
Supporters of Republican presidential candidate Newt Gingrich listen to him speak during a campaign rally in Nashville, Tennessee. (AP)