WASHINGTON – The Senate refused to kill a $5 billion annual subsidy for ethanol on Tuesday, backing continued government aid for a Farm Belt-based industry over deficit reduction in an era of record red ink. The 40-59 vote, far short of the 60 needed to advance the measure, reflected regional as well as partisan differences, a split among Republicans — and anything but the final word on the issue. "We continue to spend money that we don't have on things that we don't need," said Sen. Tom Coburn, R-Okla., a prominent deficit hawk who led the effort to eliminate the...