A new Quinnipiac University/Wall Street Journal/WashingtonPost.com poll shows Obama leading McCain in four battleground states.

In Colorado, Obama is up five points (49%-44%); in Michigan, he leads by six (48%-42%); in Minnesota, the edge is 17 points (54%-37%); and in Wisconsin, it's 13 (52%-39%).

The methodology:
From June 17-24, Quinnipiac University surveyed:
-- 1,351 Colorado likely voters with a margin of error of +/- 2.7 percent
-- 1,411 Michigan likely voters with a margin of error of +/- 2.6 percent
-- 1,572 Minnesota likely voters with a margin of error of +/- 2.5 percent
-- 1,537 Wisconsin likely voters with a margin of error of +/- 2.5 percent