The National Republican Senatorial Committee is canceling $10 million worth of fall advertising reservations in Arizona, Pennsylvania, and Wisconsin — three states at the center of the GOP’s push to regain control of Congress. The New York Times, which reported the news on Monday, notes Republicans have been struggling to raise money as of late, as well as that the decision to pull ads for some of its top candidates could be tied to the party’s financial troubles. The NRSC has cut the most money, $5 million, in Pennsylvania, where quack TV doctor Mehmet Oz is taking on Lt. Governor...