Tornadoes have killed four people in Oklahoma and left thousands without power. The tornadoes began late Saturday night and left at least 100 people injured around Oklahoma. One tornado destroyed several downtown buildings in Sulphur, Oklahoma, flipping over cars and shearing rooftops off houses across a 15-block radius. Oklahoma Gov. Kevin Stitt toured the destruction on Sunday and said every business in the town of Sulphur appeared to have been destroyed. Oklahoma's severe weather adds to the dozens of reported tornadoes that have wreaked havoc in the nation’s midsection since Fri...