OSKALOOSA, Iowa: A feud over past and future energy fueled increasing bitterness in the fight between President Barack Obama and Republican Mitt Romney on Tuesday as both mined for votes in swing states.

Romney accused Obama of waging a “war on coal” while the president mercilessly mocked his foe as oblivious to the benefits of wind power, as both candidates tapped a political seam that could be crucial in a tight election.

Obama built on an emerging theme that Romney, a wealthy former venture capitalist, simply does not understand the heartland economy, and the hard-won achievements of regular people, using wind power... [continue via Web link]