U.S., Canada 'very close' to reaching NAFTA deal -U.S. official

WASHINGTON, Sept 30 (Reuters) - U.S. and Canadian negotiators were "very close" late on Sunday to reaching a deal to update the North American Free Trade Agreement after spending the weekend on last-ditch talks, a U.S. official said, speaking on condition of anonymity. (Reporting by Roberta Rampton; Editing by Peter Cooney)