Arizona: As he gears up to seek a sixth term, Republican Sen. John McCain may have fights on his hands in both the primary and the general election. In 2010, former U.S. Rep. J.D. Hayworth challenged McCain in the GOP primary, arguing that the incumbent is too moderate. McCain prevailed though with 56 percent to 32 percent for Hayworth, and went on to win the general election with 59 percent. Conservatives remain committed to trying to retire McCain and there have been a number of Republicans mentioned as potential primary candidates, including U.S. Rep. Matt Salmon and Dave Schweikert; neither seems especially enthusiastic about taking on the incumbent. To date, McCain has two primary opponents: state Sen. Kelli Ward and Clair Van Steenwyk, a radio host who made an unsuccessful bid for the Senate nomination in 2012. Ward is the more viable of the two candidates, but she has had trouble making inroads with national conservative and Tea Party-affiliated groups. McCain takes little for granted and been working the grassroots to improve his chances in a primary; he orchestrated the

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