"But Mr. Gibson noted that threats of new sanctions had failed to stem Iran’s nuclear program so far and asked Ms. Palin whether she would back Israel if it were to seek to eliminate Iran’s facilities militarily. “We are friends with Israel,” Ms. Palin said, “and I don’t think that we should second-guess the measures that Israel has to take to defend themselves and for their security.” Pressed, she twice more said she would not “second-guess” Israel."