Republican presidential candidate Mitt Romney, despite heavy spending and intensive campaigning, finds himself in a tightening race in Iowa with former Arkansas Gov. Mike Huckabee, forcing Romney to aggressively confront an opponent with far less money and organizational backing who was far back in the polls a few weeks ago. (snip) Seven weeks before the Jan. 3 caucuses, a New York Times/CBS News Poll published Wednesday had Romney capturing support from 27 percent of likely Republican voters in Iowa - and Huckabee within striking range at 21 percent. Former New York Mayor Rudy Giuliani was third with 15 percent, former...