https://www.cnbc.com/2017/10/03/uber-travis-kalanick-could-threaten-ceo-khosrowshahi-drive-to-clean-up-firm.html >Starting a new job is never easy. This is true for anybody, even Dara Khosrowshahi, the new chief executive of Uber who has an unenviable task on his hands. >Just over a month into the job and Khosrowshahi is dealing with a regulatory headache in London, one of its biggest markets, and an episode of "Game of Thrones" within his own company.