John Brackney, left, President and CEO of the South Metro Chamber of Commerce and Kelly Brough, right, President and CEO of the Denver Metro Chamber of Commerce look over the crowd of supporters during a rally at the Capitol in Denver on Tuesday, Nov. 13, 2012. Brackney and Brough were among the speakers at the rally in support of fracking. (AP Photo/Ed Andrieski)

Associated Press
John Brackney, left, President and CEO of the South Metro Chamber of Commerce and Kelly Brough, right, President and CEO of the Denver Metro Chamber of Commerce look over the crowd of supporters during a rally at the Capitol in Denver on Tuesday, Nov. 13, 2012. Brackney and Brough were among the speakers at the rally in support of fracking. (AP Photo/Ed Andrieski)
John Brackney, left, President and CEO of the South Metro Chamber of Commerce and Kelly Brough, right, President and CEO of the Denver Metro Chamber of Commerce look over the crowd of supporters during a rally at the Capitol in Denver on Tuesday, Nov. 13, 2012. Brackney and Brough were among the speakers at the rally in support of fracking. (AP Photo/Ed Andrieski)
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