Dennis Canavan, who was chair of the 2014 pro-independence campaign, said an IndyRef2 could be held in the months after the Holyrood election next May.The former Labour MP pointed to the example of 1997 when Tony Blair's new government held a vote on whether to proceed with Scottish devolution in September after being elected just five months previously.The issue of when to call an IndyRef2 has become a major talking point as opinion polls have consistently shown the SNP is on course to win a