7) Democrat Tammy Duckworth leads Rep. Joe Walsh, R-Ill., by 10 points, according to a new poll conducted for the Chicago Tribune and WGN. Duckworth took 50 percent and Walsh 40 percent in the independent poll of Illinois's 8th District. Republicans had gained confidence of competing in the Democratic-leaning district over the past few months, but this is now the second consecutive live-caller poll showing Duckworth with a large lead. A League of Conservation Voters poll conducted just prior to this one showed Duckworth ahead, 54 percent to 39 percent. 6) The National Republican Senatorial Committee has been dark in Maine since October 16, Politico reports. Crossroads GPS is still up hitting Independent former Gov. Angus King in the state. 5) GOP Sen. Dean Heller holds a slight lead over Democratic Rep. Shelley Berkley in a NBC News/Wall Street Journal/Marist poll released Thursday. Heller has 48 percent support in the poll to Berkley's 45 percent, and 6 percent of respondents say they remain undecided in the closing weeks of the election. 4) In Wisconsin's Senate race, Democratic Rep. Tammy Baldwin is launching a new television ad, hitting former Gov. Tommy Thompson on business ties to Iran. 3) Indiana GOP Senate nominee Richard Mourdock says his controversial comments on pregnancies caused by rape being God's intention actually helped him to gain support. "I know we did," he said. 2) A new Richard Carmona ad in Arizona Senate race uses very positive testimony from Arizona Republican Sens. John McCain and Jon Kyl during Carmona's 2002 confirmation as U.S. Surgeon General -- and the state's two senators, who both back GOP Rep. Jeff Flake in the race, aren't too pleased about it. McCain, in the ad: "Dr. Carmona's inspiring story is the living embodiment of the American Dream. ... Our nation will gain an invaluable leader." Kyl, in the ad: "One might call him a man for all seasons." McCain and Kyl issued a joint statement: ""In a deeply dishonest new TV ad, Richard Carmona implies that we support his campaign for Senate. We do not." 1) Romney outraised Obama by $21 million during the first half of October, the Washington Post reports. Romney and the Republican National Committee raised $111.8 million from October 1-17 and had close to $170 million in the bank. Obama and the Democratic National Committee raised $90.5 million in that period and had $125 million on hand. -- Scott Bland contributed.