Dan Rather returns to CBS News after a bitter departure 18 years agoOklahoma tornadoes kill 4; state of emergency issued amid damageRiley's RBI single in 10th lifts Braves to 4Analysis: How Paris SaintVientos hits 2Kimbrel blows second straight save as Athletics win rubber game 7Analysis: How Paris SaintReese Witherspoon looks every bit glamorous supporting Big Little Lies coExperts caution against underestimating 'indolent tumors'Texans WR Tank Dell shot in Florida, sustains minor wound, team says