More than 20 dead after tornadoes, destructive storms batter US states; severe weather threatens East Coast

A wave of severe storms and tornadoes devastated a wide swath of the South over the weekend and left more than 20 people dead in Texas, Oklahoma, Arkansas, and Kentucky. The same storms threaten to rain out Memorial Day plans on the East Coast. At least eight people died in Arkansas, seven in Texas, five in Kentucky, and two in Oklahoma amid twisters and storms that demolished hundreds of homes, authorities said. Meanwhile, a rancher in Colorado and 34 of his cattle died in a lightning strike. More than 360,000...