In Glasgow, the Commonwealth Games may be the biggest show in town right now but Scots have a much bigger play underway that will define their economic and political future. Very soon they’ll be asked if they want to say goodbye to England and go it alone. The independence movement is gathering support but will it be enough to carry Scotland out of the United Kingdom? And does Scotland have the wherewithall to survive let alone prosper on its own? Europe correspondent, Scottish-born Barbara Miller heads home to test the water.