The Cook Political Report says that the 2nd Congressional DIstrict race between Republican Lynn Jenkins and Democratic incumbent Nancy Boyda is leaning Democratic.That means the race is competitive, but Boyda has an advantage. In previous assessments, the report had described the district, which includes west Lawrence, as a toss up.In the 3rd Congressional District, Cook says U.S. Rep. Dennis Moore, D-Lenexa, will likely defeat Republican Nick Jordan, a state senator from Shawnee. The district includes east Lawrence.U.S. Sen. Pat Roberts, R-Kan., remains far ahead of Democrat Jim Slattery, 55 percent to 36 percent, according to polling by Rasmussen Reports. At the top of the ballot, Rasmussen says that Republican presidential candidate John McCain holds a 13-percentage point advantage over Democrat Barack Obama in Kansas. Last month, McCain was ahead by 20 points.In Missouri, Obama has opened up a 52 percent to 46 percent lead over McCain. A month ago, McCain was up by five points.Winning Missouri and its 11 electoral votes is critical to both campaigns. Obama will visit St. Louis and Kansas City on Saturday, while McCain will be in the Kansas City area on Monday.