4) Crossroads GPS is launching a $2.6 million, one-week ad blitz starting today in the Ohio, Virginia, and Nevada Senate contests. Check out the three spots hitting Tim Kaine here, here, and here. See the football-themed ad targeting Sen. Sherrod Brown, D-Ohio, here, and the commercial hitting Rep. Shelley Berkley, D-Nev., on Medicare here. 3) It's primary day today -- the last primaries of the year will be held in New Hampshire, Rhode Island, and Delaware. Check out our previews of New Hampshire's gubernatorial primaries here and Rhode Island's 1st District primary here. Stay tuned to Hotline on Call for results. 2) Paul Ryan said he supports Chicago Mayor Rahm Emanuel in the Chicago teachers strike, and urged Obama to do the same. 1) Both Obama and Mitt Romney planned to take down their negative campaign ads in honor of the 11th anniversary of 9/11, the Associated Press reports.