How a whiffed NFL field goal led to a life-saving diagnosis for a Kentucky Derby breeding expert

Mike Toothaker, a stallion sales manager at Spendthrift Farms and part of the ownership team for top Kentucky Derby contender “Further Ado,” tells “CBS Saturday Morning” how watching NFL placekicker Younghoe Koo whiff a field goal made him laugh so hard he seized, leading to a life-saving diagnosis.