(Kerry) has a very strong ability to take any point that you make and turn it in another direction, even back against you. He's also grandmaster at the art of changing a subject without really appearing to change the subject.
"The senator is also impossible to fluster, adds Payne, who worked on three of Kerry's campaigns. "He will never appear at a loss for words, even when he gets blindsided.
Right. That describes the characteristics of an accomplished liar.