Quinnipiac Battleground Poll: Dead Heat in Colorado, Minnesota, and Michigan

Via First Read, a new Quinnipiac poll of likely voters shows McCain ahead by two percentage points in Colorado, and trailing by just a few in Michigan and Minnesota:

COLORADO: McCain 46% - Obama 44%
MICHIGAN: Obama 46% - McCain 42%
MINNESOTA: Obama 46% - McCain 44%
WISCONSIN: Obama 50% McCain 39%

Meanwhile a weighted average of polls at Pollster.com shows Obama up by two points nationally.