This web site has long condemned efforts to keep the East Entrance of Yellowstone Park open to snowmobiles because of its huge cost, running up to a thousand dollars per snowmobile.
Earlier the Park Service decided to stop keeping the entrance open to save money and for safety reasons, but it recently reversed itself (remind anyone of the reversal on whether Wyoming had an acceptable wolf plan?).
Political pressure was clearly involved, and probably included the master of it — Dick Cheney.
White House played role in Sylvan Pass decision. By The Associated Press