Canadian Press: A former Canadian ambassador says he's less confident now than he was a few years ago about the U.S. giving the Keystone XL pipeline project the green light. "Two years ago I was very confident that it would be a positive reaction, a "Yes" would come," Raymond Chretien said Wednesday. "Recently, I'm beginning to see signs that lead me to believe that a "No" is possible." Chretien made his comments during a chat with U.S. Ambassador Bruce Heyman at a luncheon speech. The event was organized by...