We're updating the round-up for the swing state polls released yesterday by Quinnipiac University/Washington Post/Wall Street Journal, including Colorado, Michigan, Minnesota and Wisconsin. Colorado: McCain is leading Obama 46 percent to 44 percent with 7 percent undecided and a 2.6 percent margin of error in a Quinnipiac University/Washington/Post poll conducted July 14-22. Obama led by 5 points in this poll last month. Big gender gap here with Obama having an 11 point edge among women and McCain leading by 18 points among men. This is one of the states where Hispanics are a key voting bloc and Obama leads by 28 points. A Rasmussen Reports survey conducted July 21 had Obama is leading McCain 49 percent to 42 percent. The margin of error was 4.5 percent. However, the contest falls within the margin of error if "leaners" are included. Last month, Obama led by 2 points. Obama's favorable-to-unfavorable numbers are 52 percent to 48 percent and McCain's are 61 percent to 39 percent. In most states where Rasmussen has asked the question so far, voters care more about bringing down the price of gasoline than protecting the environment, but in Colorado they split about evenly. But like voters in other states, they see Afghanistan rather than Iraq as the main front in the war on terrorism and as the greatest threat to national security. A Public Policy Polling survey conducted July 9-10 by had Obama ahead of McCain 47 percent to 43 percen ...