A new Mason-Dixon poll out tonight shows Democrat Bill Nelson leading Republican Katherine Harris by 26 points in the U.S. Senate race. Nelson polls at 57 percent; Harris at 31 percent. Nelson has been ahead by at least 15 points since Mason-Dixon first began polling nearly two years ago. While campaigning in North Florida this week, Nelson told supporters that the race would even and that garnering 55 percent of the vote would be a landslide. Harris spokeswoman Jennifer Marks released a statement, saying "Congresswoman Harris has a long history of rebounding from negative polling predictions because her message of...