National Parks Drilling

January 19, 2012 - 1:25 PM
FILE - In this Monday Feb. 28, 2011 file photo environmental activist Tim DeChristopher leaves the Frank E. Moss Federal Courthouse in Salt Lake City. A federal appeals court in Denver hears arguments Thursday, . Jan. 19,2012 on the Obama administration's decision to cancel Bush-era oil and gas leases near national parks in Utah, the auction for which prompted DeChristopher to drive up prices with his bidding in an act of civil disobedience. DeChristopher, who acknowledged he didn't have $1.7 million to pay for his leases, was convicted of interfering with and making false representations at a government auction. He was sentenced in July to two years in prison.  (AP Photo/Jim Urquhart,File)