For all the fuss, the revelation itself is no smoking gun. Her account was undeniably marred by factual bloopers. The real questions are about their relevance in the grander scheme of things; and, most of all, about the intent lying behind inaccurate statements.
The prospects for farce were highlighted by Peter Murrell’s evidence yesterday: when Labour MSP Jackie Baillie implied he was being coached off camera, Murrell answered that his eye was distracted by a rogue magpie. You could almost see Malcolm Tucker off camera, stamping his foot with rage.