Keir Starmer has said.The Labour leader used an interview today to insist the Union was safe in his party's hands and promised he would campaign ahead of next year's Holyrood elections against calls for an IndyRef2.The constitutional debate has been reignited in Scotland following a series of opinion polls this year suggesting rising support for independence.Nicola Sturgeon wants the UK Government to grant Holyrood the powers to hold another legally-binding referendum on the issue but Boris