Big money fights, defends oil-tax ballot measure COLORADO (KUNC) - Ballot Initiative 113 seeks to end a 30-year-old tax credit for oil and gas producers in Colorado. Campaign war chests on both sides of the issue are quickly filling up. KUNC's Brian Larson and the editor of the Northern Colorado Business Report, Tom Hacker, revisit the initiative to find out just who the big spenders are. © Copyright 2009, KUNC