Tornado outbreak leaves 23 dead across Tennessee

Tennessee has been hit with its deadliest tornado outbreak in more than a decade. Governor Bill Lee has declared a state of emergency. Mireya Villarreal reports. Subscribe to the “CBS Evening News“ Channel HERE: Watch Full Episodes of the “CBS Evening News“ HERE: Watch the latest installment of “On the Road,“ only on the “CBS Evening News,“ HERE: Follow “CBS Evening News“ on Instagram: Like “CBS Evening News“ on Faceb