Katie Ledecky wins 1500m free at swim worlds on 15-year streak, breaks ties with Phelps, Lochte

Katie Ledecky extended her 15-year win streak in the 1500m freestyle and broke career medal ties with Michael Phelps and Ryan Lochte at the World Swimming Championships on Tuesday. Ledecky earned her sixth title in the 1500m free and 22nd world title... [4970 chars]