In this Sept. 19, 2008, file photo, then Republican presidential candidate Sen. John McCain, R-Ariz., and his vice presidential running mate, Alaska Gov. Sarah Palin, greet supporters during a rally for business leaders in Green Bay, Wis. McCain and Sarah Palin are scheduled to campaign together in Arizona in March 2010 for the first time since they conceded the presidential election in Phoenix in 2008.(AP Photo/Mike Roemer, File)
Moderate republican and presidential candidate Sen. John McCain gets a little help from his running mate Sarah Palin. Sen. John McCain is in the fight of his life as J.D. Hayworth a Tea Party supporter and neo-conservative challenges for the Arizona senate seat.