The first lady with a right to bear arms is now exercising her right to bear her legs. That's what the chatty-o-sphere's saying about Michelle Obama's so-called "short shorts", which she was wearing when she strolled around the Grand Canyon on a family trip yesterday. But those aren't short shorts. They're shorts, period. What wizened, saggy chinned, fanny pack-wearing news anchor called them short shorts to begin with? What jealous, Dockers-clad, khaki-panted right wing zealot believed them? Who out there's really scandalized? For serious. Those aren't short shorts. They're mommy bloomers. Even webby bastion of liberalism The Huffington Post asked...