Johannes Thingnes Bö got a third gold as Norway came from behind to claim an improbable Olympic biathlon relay title on Tuesday after Russia threw away what seemed an assured gold at the final shooting portion. Eduard Latypov led three chasing teams by some 40 seconds into the final shooting but then collected two penalty laps. Germany also had a penalty lap and France had to reload while Norwegian anchor Vetle Sjaastad Christiansen hit all five targets after Bö and brought them back into contention on the third leg after the world champions had an early penalty lap from Sturla Holm Lägreid. T…