U.S. is trying to throttle Cuba's economy until the regime collapses, says former ambassadorSome Cubans say everyday life on the Caribbean island has reached a breaking point amid a fuel shortage brought about by the U.S. squeezing the country’s oil supply. Meanwhile, Canadian airlines suspended service to the island and are ferrying tourists back home. "For me, any change for us will be better than what we are living through, because what we are experiencing is not humane," Isben Peralta told CBC News in a phone interview during a blackout. "Some of us who have a little business have a...