The Gallup poll that Kathryn mentioned shows some interesting dynamics in the Republican presidential race. Rudy Giuliani fell 13 points, from being the top choice of 44 percent of Republicans down to 31 percent, between March 2 and March 23. In that same time period, John McCain stopped his three-month decline, going from 20 percent to 22 percent. And the big factor, of course, was the appearance of Fred Thompson, who registered 12 percent in the poll. Thompson was not included in the March 2 poll. His support seems to have come almost entirely out of Giuliani’s column. Some, however, may have come from Mitt Romney, who went from eight percent on March 2 to three percent on March 23 — Romney’s lowest numbers since before last November. Newt Gingrich was basically unchanged at eight percent — probably his core constituency.