Associated Press: Barack Obama put forward a broad energy plan Monday designed to end U.S. reliance on imported oil within 10 years and shore up his standing amid a tightening White House race and high-anxiety over gas prices. Obama’s proposal, though, includes two significant reversals of positions he has taken in the past: He had steadfastly fought the idea of limited new offshore drilling and was against tapping the nation’s emergency oil stockpile to relieve pump prices that have stubbornly hovered …