Bill Clinton sought to persuade Rep. Kendrick Meek to drop out of the race for Senate during a trip to Florida last week — and nearly succeeded. Meek agreed — twice — to drop out and endorse Gov. Charlie Crist’s independent bid in a last-ditch effort to stop Marco Rubio, the Republican nominee who stands on the cusp of national stardom. Meek, a staunch Clinton ally from Miami, has failed to broaden his appeal around the state and is mired in third place in most public polls, with a survey today showing him with just 15 percent of the vote....