Grist: Its strange to remember how bitterly divisive the 2008 Democratic presidential primary battle was. Hillary Clintons and Barack Obamas platforms and ideological positioning were awfully similar. And on the chief difference between them - Obamas less hawkish foreign policy - the victor wiped away that distinction by appointing Clinton as secretary of state. Now Clinton is expected to announce her candidacy on Sunday and is poised to coast through the 2016 Democratic primaries as her partys prohibitive...