This week saw SNP leader Nicola Sturgeon made her intentions very clear to hold an indyref2, just 8 years since the last "once in a lifetime" referendum in 2014. But is her move legal? Former Conservative Scottish Secretary David Mundell joins Christopher Hope to unpack what exactly is going on.Also joining Chris in the Red Lion pub this week is MP for Ashfield Lee Anderson, who's courted controversy recently for comments over foodbanks. He popped by and also gave his twopence on Steve Bray, the anti-Brexit campaigner whose speakers were confiscated by the police earlier this week.And finally, Chris speaks to Phillip Lee on what it takes to cross the floor and switch parties, in the wake of reports that as many as six Red Wall Tories could be looking to defect.For 30 days' free access to The Telegraph: https://www.telegraph.co.uk/chopper |Sign up to the Chopper's Politics newsletter: https://www.telegraph.co.uk/politicsnewsletter|Listen to our new investigative podcast, Call Bethel: podfollow.com/call-bethel|Email: chopperspolitics@telegraph.co.uk |See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.