Trump, Trudeau upbeat about prospects for NAFTA deal by Friday

WASHINGTON (Reuters) - The leaders of the United States and Canada expressed optimism on Wednesday that NAFTA negotiations could meet a Friday deadline for a deal, although Canada warned that hard work on a number of tricky issues was still needed.Canada rejoined the talks to modernise the 24-year-old North American Free Trade Agreement after Mexico and the United States announced a bilateral trade deal on Monday."They (Canada) want to be part of the deal, and we gave until Friday and I think..