In Florida, Romney Takes Aim At Resurgent Gingrich By Philip Rucker and Amy Gardner January 22 ORMOND BEACH, Fla. — Mitt Romney unleashed his harshest personal attack of the campaign on Newt Gingrich here Sunday, saying “it was proven that he was a failed leader” as the former governor pivoted sharply to regain his footing in the wake of Gingrich’s stunning resurgence over the weekend. As the dramatically altered presidential campaign moved to Florida, Republican leaders braced for a long and potentially bitter nominating contest. After upending the campaign in South Carolina with a commanding victory, Gingrich moved quickly to...