Tuesday, June 26, 2007 The biggest question in the race for the Republican Presidential nomination is whether or not former Tennessee Senator Fred Thompson can sustain his warm-up act once he becomes an actual candidate. The actor once did what many politicians could never imagine by walking away from a career in the Senate. Now he is on the verge of doing what few politicians can even dream of by entering a race for the White House on top of the polls for his party’s nomination. Thompson, preparing to formally announce his candidacy, leads the pack in the latest Rasmussen...