Mark Chapman and Clare Balding present highlights from the opening day's action at the Commonwealth Games in Glasgow.The host nation will have been hoping to get off to a medal-winning start with swimmer Michael Jamieson one of the Scottish stars competing on day one.Another of the home nations' best hopes, Olympic champion Alistair Brownlee, would have been aiming for more success in the men's triathlon at Strathclyde Country Park, while there were also medals on offer in track cycling at the Sir Chris Hoy Velodrome.