Tom Bradby is joined by Robert Peston and Anushka Asthana as the SNP launch their manifesto. But is their claim that they'll pressure Westminster for another independence referendum actually credible? Peter Smith sits down with their leader John Swinney to find out.  Meanwhile, the team in the studio dissect the latest inflation and migration statistics, whilst Robert interviews Sir Keir Starmer and finds out why so many billionares are backing Labour.