DOVER — One national columnist has speculated New Hampshire's own Judd Gregg, who recently retired after three terms in the U.S. Senate, is considering a run for the presidency in 2012. Jonah Goldberg, editor-at-large of National Review Online, cites the Republican as acting like he's not running "but hasn't ruled it out." As Gregg's term wraps up and the holidays approach, no one is available to take calls at his offices throughout the state and in Washington, D.C. The listed phone number for Gregg's home in Rye has been temporarily disconnected, according to a recording. Republican Strategist Mike Dennehy said...