Andy Burnham's record is wafer thin, fears Leo McKinstry (Image: Getty / Express)The funniest moment in the State Opening of Parliament this week came when Black Rod performed the venerable ritual of banging three times on the locked doors of the Commons to summon MPs to the House of Lords for the King’s speech. As the thuds of his rod echoed through the Palace of Westminster, a Labour backbencher shouted, “Not now Andy”, mocking the increasingly desperate efforts by the Greater Manchester Mayor to find a Parliamentary seat so he can be a candidate in the leadership contest. If Burnham...