SALT LAKE CITY — A Utah man who infiltrated a sale of federal energy leases in December 2008 to protest U.S. policies about climate change was found guilty by a jury Thursday of disrupting a government auction and faces up to 10 years in prison. The defendant, Tim DeChristopher, 29, became a folk hero to some in the environmentalist movement for taking action against the leases, which provoked protests and demonstrations in the closing days of the administration of President George W. Bush because of the perceived risk to sensitive lands in southern Utah. In his four-day trial in federal...