August 23, 2006 -- A furious Rep. Jerrold Nadler yesterday charged federal environmental officials are involved in what "amounts to a conspiracy to murder thousands of New Yorkers" by refusing to expand the clean-up area around Ground Zero. Nadler and other Democrats turned up at City Hall to denounce President Bush, the EPA, Gov. Pataki, Mayor Bloomberg and former Mayor Rudy Giuliani. "We're a blue state and we're a blue city," said Manhattan Borough President Scott Stringer. "If this was Ohio or Florida or Iowa, the response from the federal government