Scottish Labour, the Tories and the Lib Dems to task for not holding the SNP to account during its time in power.The Former First Minister also took aim at Nicola Sturgeon's SNP government over some of its social and economic policies.He said the SNP needs to be taken to task on some issues and the 'Union parties' he claims are not doing that because they are too busy "decrying independence".It comes as a new opinion poll showed Alba were on course to receive five seats in the Holyrood chamber