When Elon Musk first courted Twitter's board of directors last year, no one within the social media company was a more loyal fan of the entrepreneur than Block CEO Jack Dorsey.
Now there are increasingly frequent indications that he has broken with Musk and the bull-in-a-china-shop management style the Telsa boss has adopted since his $44 billion October acquisition of the microblogging platform that Dorsey co-founded in 2006.
