https://www.reuters.com/article/us-uber-britain/london-mayor-welcomes-uber-boss-humility-after-license-loss-idUSKBN1CA0WP >London Mayor Sadiq Khan welcomed the humility shown by Uber's [UBER.UL] Chief Executive Dara Khosrowshahi who met with the city's transport regulator this week in a bid to overturn a decision stripping the firm of its operating license.