Is Nebraska Senator and GOP maverick Chuck Hagel poised to join the 2008 field next week? Signs point to yes (although others see solely a Senate retirement in the offing.) “‘Perception has always been that he wasn’t viable because he couldn’t ‘out McCain John McCain,'” said Alex Vogel a Republican lobbyist not affiliated with any of the 2008 candidates. ‘Now that [Hagel] and McCain have split over the war, he’s betting there’s a road from Omaha to Des Moines.‘”