It was a warm and dry October afternoon, a rarity in Northern Ireland, when I met Martin McGuinness in Writers Square area of Belfast. I arrived late amidst a sea of revellers, rallying against Tory cuts. After the rally finished, I shook hands and spoke to Mr. McGuinness as he and his entourage were trying to leave. He looked tired, but his smile was still as bright as ever. At first he thought I was a local, but once he realised I was an American, he humorously wanted to know what I was doing listening to a rally about Tory cuts and suggested sights to see.  I said I was…