It was about half past midnight when Russ Fee woke up to the sound of frantic shouts coming from a campsite next to his in Canada's Banff National Park. From within his tent, he listened, quickly discerning that the voices belonged to a man and a woman. They were screaming for help. "I threw my shoes on. My wife tossed me a lantern," Fee said in an interview Tuesday with the radio show "Calgary Eyeopener." "I popped out of the tent and just started running toward their tent sort of yelling, 'I'm here! I'm here! What's wrong?'" Fee, who is...