As Boris Johnson leaves Downing Street less than three years after he became prime minister, what legacy is he leaving behind for the Conservative Party and the country? On the Sky News Daily, deputy political editor Sam Coates, sitting in for Niall Paterson, speaks to Conservative MPs about the impact of Mr Johnson’s tenure and to Will Tanner, from conservative Think Tank Onward, on the policies that might outlast the man himself. Editor - Philly Beaumont Producers – Tom Larkin and Rosie Gillott