As Republican presidential candidates debate the debates, roiling and railing against the unfairness of it all, campaigns have been busy rebooting candidates and crafting fresh slogans. But whether Jeb can fix it, or Trump can build it, or Ben can cure it matters little in the global scheme of things. For globally we must think forevermore, whether we want to or not.
Kathleen Parker: Today's politicians keep big-picture truths behind a wall