Gregory Campbell hits back in DUP-SF bust-up #BBCNolan

The war of words between Sinn Fein and the DUP is escalating. In an interview in the Irish News today, Martin McGuinness has really had a go at Peter Robinson. He's quoted in the paper saying the DUP leader has been "dancing to the tune of loyalist extremists". The Sinn Fein deputy First Minister also says he is "embarrassed" by the public image of the Stormont Executive. DUP MP and MLA Gregory Campbell gives us his views