Commentary Back in 2014, as tech journalist Cate Cadell noted at the time, a 30-year-old Mark Zuckerberg “sent the internet into a frenzy” after agreeing to do a Q&A in Chinese at an event hosted by Tsinghua University. The performance, added Cadell, “drew mixed reviews.” Some were quick to praise Zuckerberg’s “persistence.” Others, meanwhile, were determined to pick apart “his shaky pronunciation” and poor grammar. Undeterred by critics, almost a year later, Zuckerberg was back in China. More specifically, he was back at Tsinghua University. This time, the Facebook CEO’s 22-minute speech was delivered in fluent Mandarin. No shaky pronunciations. The grammar, by and large, was flawless. Zuckerberg, a man not necessarily renowned for his humor, even managed to elicit a few chuckles from the audience. Progress had been made, and those in attendance seemed to be in awe of Zuckerberg. The feeling, at least at the time, was very much mutual. Ever since his speech, …