U.S. — A scene of desperation and panic unfolded on a Delta Airlines flight after the captain of the all-female flight crew announced over the intercom that everything was fine. "Sure, just go on doing whatever you want back there. It's fine," said Captain Savannah Ross with a sigh. "Why wouldn't it be fine?" The cabin immediately broke into a cacophony of shrieks and prayers, with passengers desperately trying to message loved ones to say goodbye. "We keep asking, but they won't say what's wrong," said Danny Evans, who had managed to reach his wife's phone. "Whatever it is, it...