Chattanooga Times Free PressCBS News exit poll: Gas prices loom large in the South on Super TuesdayCBS NewsVoters in Cobb County, one of the largest precincts in the state, participate in the Georgia GOP primary on Tuesday, March 6, 2012, at Noonday Baptist Church in Marietta, Ga. Gas prices were an important factor for a significant majority of voters in ...Economy key issue, even as state results divergeFox NewsEconomy key issue to GOP voters across statesLubbockOnline.comTenn.