JACKSONVILLE, Fla. (AP) — Did Barack Obama really call Sarah Palin a pig, as a John McCain ad leads people to believe? "No," McCain said Monday. The Republican presidential nominee defended the ad anyway, saying Obama "chooses his words very carefully." The implication: Obama was slyly up to something when he said McCain's call for change in Washington is "lipstick on a pig," days after Palin made a lipstick joke at the Republican convention. "He's very eloquent," McCain told The Associated Press and Florida newspapers in an interview, and "it was the wrong thing to say."