In the West Bank, Israel’s security barrier has started to resemble the western side of the Berlin Wall. The Israeli side is bleak and clean, but on the Palestinian side graffiti can flourish. I knew the British painter Banksy had tagged the wall a few years ago, but I had no idea where his stencils were. At first I didn’t care — I was just here to see Bethlehem — but my taxi passed a stencil I had seen in news reports, a dove wearing a bulletproof vest. So I snapped a picture. (read more on: Taking a ‘Banksy Tour’ in Bethlehem