Germany’s Francesco Friedrich sealed his third career Olympic gold after prevailing in the men’s two-man bob on Tuesday. Friedrich, who took two-man and four-man gold at Pyeongchang 2018, held on for renewed glory with pusher Thorsten Margis having led narrowly after Monday’s first two runs. They set a combined time of 3 minutes 56.89 seconds after the two final legs. Johannes Lochner was second with Christoph Hafer securing bronze as the Germans produced the first ever bob podium sweep in Olympic history. Friedrich said the coronavirus restrictions in Beijing made this gold extra special. “It…