TALLAHASSEE, Fla. — Rep. Matt Gaetz’s father, Don, a former Florida Senate president, said he is working with the FBI, including wearing a wire on more than one occasion as part of an investigation into an alleged extortion plot that the pair said was organized by former federal prosecutor David McGee. “The FBI asked me to try and get that information for Matt and an indication we would transfer money to Mr. David McGee,” Don Gaetz said in an interview late Tuesday, without specifying what information he was referring to. McGee, who is now in private practice with a Pensacola,...