The real DC and away wins

Ugo and Chris are joined by Sam Warburton and the original 'DC' Danny Cipriani. There was a clean sweep for the away teams in round four, including a thriller at Twickenham. Sam and Danny give a fascinating insight into defence coach Shaun Edwards with France on the brink of a first Six Nations Grand Slam in over a decade. But will England spoil the party in Paris and allow Ireland to snatch the title on the final weekend?