Scott Bessent had China to think about this week, and there is plenty to mull over in that relationship, but his mind may have been elsewhere. The Treasury Secretary met Vice Premier He Lifeng ahead of Donald Trump’s summit with Xi Jinping, trade and technology top of the agenda. Bessent has been a key figure in negotiations with Beijing, assured and at times uncompromising. He holds a wealth of market experience, specifically investment management, with expertise in currencies and fixed income. Britons who recall "Black Wednesday," in which Bessent’s group made a $1 billion fortune, still curse his name. Read…