The White House is threatening to veto an emergency spending bill packed with $95.5 billion to pay for new armored vehicles, new aviation defenses, new U.S. troops and operations in Iraq and Afghanistan through the end of September -- money Army officials say is needed within weeks. The threat, detailed in a four-page statement of administration policy issued last night, stems from objections to the addition of numerous non-defense projects added by Democratic lawmakers to the fiscal year 2007 emergency...