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Anderson Independent-Mail, Ken Ruinard, Associated Press
Jawanna Smith, of Anderson, S.C., fills her car with fuel, Monday, March 12, 2012, at the newly opened Spinx station on the corner of S.C. 28 bypass and S.C. 24 in Anderson, S.C.

ST. LOUIS — Mitt Romney says President Barack Obama is wrongly blaming high gasoline prices on GOP candidates' tough Iran policies.

Romney told a St. Louis crowd Tuesday that Obama has said gas prices are high because Republican presidential candidates are talking "in a very muscular way about Iran and their nuclear program."

Romney offered no details.

Obama said in an interview Monday that the biggest driver "of these high gas prices is speculation about possible war in the Middle East" and that his administration has been trying to reduce "some of the loose talk" about war there.

He commented to WFTV, an ABC affiliate in Orlando, Fla.

Romney and other Republican candidates say Obama is not aggressive enough in trying to keep Iran from developing nuclear weapons.