Think local officials are less to blame for deaths in New Orleans than federal officials? In the most jaw-dropping story of the week, UPI has the police chief of Gretna, Louisiana, admitting that he closed off one of the major arteries out of New Orleans on Monday, before the storm hit: "We shut down the bridge," Arthur Lawson, chief of the City of Gretna Police Department, confirmed to United Press International, adding that his jurisdiction had been "a closed and secure location" since before the storm hit. "All our people had evacuated and we locked the city down," he said....