Judge revives parks' snowmobile ban

WASHINGTON -- The National Park Service must revive a plan,scrapped by the Bush administration, to ban snowmobiles fromYellowstone and Grand Teton national parks, a federal judge orderedTuesday.

U.S. District Judge Emmet Sullivan said the Bush administrationshould not have set aside a Clinton administration plan that wouldhave banned snowmobiles in favor of mass-transit snow coaches, whichwould reduce pollution in the …