‘Survive, not enjoy’: Heat, humidity gripping half the US

Karen Frazier of Capitol Heights, Md., right, and her son Amari Rogers, 11, left, play in a fountain Saturday in Washington. (AP Photo/Susan Walsh)

NEW YORK — Americans from Texas to Maine sweated out a steamy Saturday as a heat wave canceled events from festivals to horse races, chased baseball fans out of their seats and pushed New York City to order steps to avoid straining the electrical system.