Americans back a newly brokered nuclear deal with Iran by a 2-to-1 margin and are very wary of the United States resorting to military action against Tehran even if the historic diplomatic effort falls through, a Reuters/Ipsos poll showed on Tuesday.
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President Barack Obama came out swinging against Republican rival Mitt Romney on Thursday after a lackluster performance in their first debate forced the Democrat's aides to talk of "adjustments" to his campaign.
