Germany’s flag-bearer Francesco Friedrich is on course for his third Olympic gold. The record world champion is in the lead at the halfway point of the two-man bobsleigh race at the Yanqing Sliding Centre. With pusher Thorsten Margis, he set a start record of 4.95 seconds in the opening run on Monday and also claimed the track record in the first run with 59.02 seconds. But the double Olympic champion from Pyeongchang 2018 has only a 0.15-second lead over fellow German Johannes Lochner ahead of the final two scoring runs on Tuesday. Friedrich did not ride cleanly in the second run despite sett…