Packing my bags to depart the G20 in Cannes, I leave with a sense both of what might have been but also inspiring memories and a real hope that the battle for a 'Robin Hood tax' on financial transactions might still be won.

Let's take first what might have been....

The Robin Hood Tax has come a long way since I appeared in a Richard Curtis short film to help launch our campaign in February 2010. We now have 115 UK organisations from Oxfam to the Methodist Church and from Barnardo's to the TUC backing us and sister campaigns across...

The G8 leaders meeting in Toronto managed to live down to my worst expectations.

I arrived at the G8 by a roundabout route. Just a day earlier, I was standing in Dandora, a toxic tip on the edge of Nairobi where little girls as young as five live on a...

No one likes to think of themselves as a fair-weather friend. Being flaky in a crisis is not, after all, an attractive quality.

But much as they might try to hide it when they meet in Canada this week, the world's richest nations are proving themselves to...