Today's installment of campaign-related news items that won't necessarily generate a post of their own, but may be of interest to political observers:
* It was inevitable that Mitt Romney's "47 percent" problem would start showing up in attack ads, and the first out of the gate is this new spot from Priorities USA Action. It's airing in Colorado, Florida, Iowa, Ohio, Virginia, and Wisconsin.
* In national polling, NBC/WSJ shows President Obama leading Romney by five (50% to 45%), USA Today/Gallup shows Obama up by one (47% to 46%), and Associated Press-GfK also shows Obama up by one (47% to 46%).
* In Virginia, a Washington Post poll shows Obama leading Romney by eight points (52% to 44%), while Quinnipiac/CBS News/New York Times shows Obama up by four (50% to 46%).
* In Colorado, the Quinnipiac/CBS News/New York Times poll shows Obama's lead at just one point, 48% to 47%.
* In Wisconsin, the Quinnipiac/CBS News/New York Times poll shows Obama up by six, 51% to 45%, and the same poll shows Rep. Tammy Baldwin (D) tied with Tommy Thompson (R) at 47% each in the U.S. Senate race.
* In Pennsylvania, a Morning Call/Muhlenberg poll puts Obama's lead at nine points, 50% to 41%.
* The fourth time this week, a statewide poll in Massachusetts shows Elizabeth Warren (D) taking the lead over Sen. Scott Brown (R). This time, it's a WBUR poll that shows Warren up by five, 45% to 40%.
* And Romney's super PAC, Restore Our Future, confirmed today that it's investing $2.2 million in Wisconsin and Michigan.