Fred Thompson survived the first big test of his bid for the 2008 Republican presidential nomination on Tuesday when he turned in a strong performance during a debate among GOP presidential candidates. The former Tennessee senator and actor recently launched his campaign in a fumbling manner to poor reviews, but he came back Tuesday by offering some specific answers in a cool, commanding style as he debuted in the first debate with his opponents. He cemented his good grade by correctly answering the trick question of the day - who is the prime minister of Canada? (It's Stephen Harper.) The...