It’s day three of the politically sensitive appeal that will decide whether the government or parliament has legitimate authority to trigger Brexit. On Tuesday, Lord Pannick QC opened the argument on behalf of the lead claimant, Gina Miller, labelling the government’s assertion that it was entitled to use its prerogative powers to trigger Article 50 as “inherently implausible”. So, what might we expect from day three? David Mundy, Partner and Parliamentary Agent at Westminster based law firm Bircham Dyson Bell, joined Share Radio Breakfast to discuss.