• The NRCC is out with 27 new ads in battleground districts.

• Barack Obama made voting cool among college kids in 2008. Two years laters, they’re so over it.

• Politico’s “Daily 10″ most competitive House and Senate races.

• A new AP/GfK poll suggests that one-third of voters could change their minds before Election Day.

House:

• MA-04 — As Dan Foster notes on the homepage, Rep. Barney Frank is running scared. A new poll shows him leading opponent Sean Bielat by 13 points, but a significant enthusiasm gap favoring Republicans ought to give Frank plenty of reason to be worried.

• SD-AL — Nielsen Brothers polling reports a tight race between Rep. Stephanie Herseth Sandlin (D) and Republican Kristi Noem. The incumbent leads 42 to 40 percent, with 17 percent undecided.

• WI-07 — The race for retiring Appropriations chairman David Obey’s seat is shaping up to be the costliest House race is state history.

Senate:

• Nate Silver gives the GOP a 19 percent chance of retaking the Senate. Whatever happens on Election Night, close races in Alaska and Washington states — both have histories of delayed results — could keep us in suspense well past Nov. 2.

• WI — College Republicans are targeting the Wisconsin race with a new ad: “I am debt.”

• WA — A detailed look at why Sen. Patty “Queen of Pork” Murray (D) is deserving of the nickname.