mitt romney*(Via AJC.com) – Mitt Romney scored a hard-won, home state triumph in Michigan and powered to victory in Arizona Tuesday night, gaining a two-state primary sweep over Rick Santorum and precious momentum in the most turbulent Republican presidential race in a generation.

“We didn’t win by a lot, but we won by enough,” Romney told cheering supporters in Michigan. He also tweeted his delight — and his determination: “I take great pride in my Michigan roots, and am humbled to have received so much support here these past few weeks.

“On to the March contests,” he said, looking ahead to next week’s Super Tuesday races that could go a long way toward determining the Republican who will take on Democratic President Barack Obama this fall.

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