Cuban grandmother Ana Mirta Sanchez was not about to let an unexpected blackout in Havana on a weekday morning cramp her style during a regular group dance with 30 or so of her friends and fellow ...

"Sure, the power went out, and yes, we're soaked in sweat, but we're having fun," said Sanchez, 87, stepping away from the dance floor in the sultry Caribbean heat. The program is meant to be a ...