By Jessica Frank-Keyes In the latest in the pre-election series of party leaders TV debates, Sir Keir Starmer and Rishi Sunak were grilled by the BBC Question Time audience this evening. The Labour and Conservative party leaders appeared alongside Liberal Democrat leader Sir Ed Davey and Scottish National Party (SNP) leader John Swinney, with just two weeks to go before polling day on July 4. And the BBC audience put them through their paces in a two-hour long programme, presented by Fiona Bruce, with each leader appearing solo for half an hour. We watched the broadcast live so you didn’t have…