PARIS (AP) — At a kosher supermarket in Paris, a quick-thinking Muslim employee hides several Jewish shoppers in the basement before sneaking out to brief police on the hostage-taker upstairs. In the town of Dammartin-en-Goele, a poker-faced businessman fools a pair of gunmen into believing they're alone in the building before being allowed to leave unharmed. In the days after the bloody end of twin French hostage crises Friday, stories of life-saving courage are beginning to filter out. One of the most striking is the story of Lassana Bathily, a young immigrant from Mali who literally provided police with the...