Lawmakers determined to capsize the pending sale of shipping operations at six major U.S. seaports to a state-owned business in the United Arab Emirates said President Bush’s surprise veto threat won’t deter them. Bush on Tuesday brushed aside objections by leaders in the Senate and House that the $6.8 billion sale could raise risks of terrorism at American ports. In a forceful defense of his administration’s earlier approval of the deal, he pledged to veto any bill Congress might approve to block the agreement. Full Story