A specter is haunting the 2012 presidential campaign -- the specter of political operatives who have no idea how to make Venn diagrams. In July, we rapped the Romney campaign for their failure to ...
It's a funny old world. If you'd asked me this morning if I understood Venn diagrams, my answer would have been a resounding” “Yes!” Quite apart from anything else, some time ago I penned a rather ...