https://www.reuters.com/article/us-uber-britain-exclusive/exclusive-ubers-uk-boss-quits-as-firm-battles-to-keep-london-license-email-idUSKCN1C71BS >Uber's [UBER.UL] top boss in Britain will quit the taxi hailing app just as the firm battles to overturn a decision to strip it of its license in London, according to an email seen by Reuters.