Current conditions: Tropical Storm Imelda is set to gain intensity this week and whip the southeastern U.S. with soaking rain and storm surge • Frigid night air is forecast across northern New England • Typhoon Bualoi is flooding broad swaths of Vietnam, Thailand, and Laos. THE TOP FIVE 1. EPA’s deregulatory agenda threatened by government shutdown The federal government is closed.Kent Nishimura/Getty Images The federal government shut down at 12:01 a.m. this morning after President Don...