Mr. [J.D.] Hayworth, a former Republican congressman, is preparing to expand his political appetite for Mr. McCain by formally announcing next week what everyone in this state has known for months: his challenge to the senator in the Republican primary in August.
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Mr. McCain now finds himself jammed, moving starkly — and often awkwardly — to the right, apparently in an effort to gain favor among the same voters whom Mr. Hayworth, a consistent voice for the far right, could pull toward him like taffy come summer.
Full story: McCain, Facing J.D. Hayworth as G.O.P. Foe in Primary, Tilts to Right – NYTimes.com