The German magazine Der Spiegel reports evidence that the National Security Agency has been spying on German Chancellor Angela Merkel’s cell phone since 2002. God help us all. Angela Merkel has long proven herself to be among the world’s finest national leaders. And she’s one of my heroes. The revelation that my country has been tapping her cell phone–along with earlier revelations in France, and now Spain, and who knows how many more national leaders and citizens whose victimization haven’t yet been revealed–is a shock, and I am left ashamed of my own country’s betrayal of our closest allies. It…