I like to do projects in which you can see statistical results. I am very happy for all these small children, who have been the biggest group of victims of iodine deficiency.
I have no time for those who say there is no way Scotland could go it alone. I know first-hand the contribution Scotland and Scots make to Britain's success - so for me there's no question about whether Scotland could be an independent nation.
Imagine the situation between Israel and Palestine. It's such a big mess. You can be on one side or the other. But what's clear is that there's an urgent need for a solution there and that's been dragging on for so long.