Britain’s tech secretary backs driverless cars and British AI startups. The likely next prime minister’s team has doubts, and her own job is on the line. Liz Kendall wants Britain to back its own AI companies before someone else does. In a Sifted podcast, Kendall, the UK’s science and technology secretary, made a pointed case for driverless cars. “We should be backing British companies in this technology,” she said, “because if we don’t, we’ll end up reliant on US companies.” The warning has a target. London’s streets are about to host a robotaxi race, with Alphabet’s Waymo and China’s Baidu…