POLICE and city leaders in Glasgow have welcomed a commitment from the Scottish Executive to consider a ban on the sale of knives and machetes over the counter. Jack McConnell, the First Minister, yesterday told the Scottish Parliament that if shops did not stop selling offensive weapons, ministers would step in. "I know that both Strathclyde Police and the city council in Glasgow are looking at what measures can be taken, not just to tackle the outcome of incidents, but to tackle the supply of weapons," he said. "There are far too many shopkeepers in Scotland selling weapons that should...