Florida Rep. Connie Mack IV (R) today got the endorsement of presumptive GOP White House nominee Mitt Romney, boosting his effort to win the GOP nomination to take on two-term Sen. Bill Nelson (D). “Connie Mack is a friend, a strong conservative and the type of principled leader we need in Washington to restore fiscal responsibility," the former Massachusetts governor said in a statement. "By electing Connie Mack, the people of Florida will be sending a clear message to Senator Nelson and President Obama that their failed policies have not worked to change the borrow and spend ways of Washington." (more…)