Sure, sure, everyone loves Rachel Maddow and her sexy lesbian librarian glasses. But the best new political pundits minted in 2008 were not on cable news, or even on Huffington Post. They were Margaret and Helen, the two octogenarians whose blog caused a sensation with Helen's post: Sarah Palin is a Bitch ... There I said it. Margaret and Helen -- friends for sixty years, as their banner problems --...