Uber co-founder Travis Kalanick steps down from board.

Uber's co-founder Travis Kalanick is to step down from its board at the end of the year. The 43-year-old ousted the ride-hailing firm's original chief executive within a year of its creation, but was himself forced to stand down six-and-a-half years later in 2017 after a number of scandals.He had, however, remained involved as one of its nine directors. Mr Kalanick also...