2008 Democratic frontrunner Senator Hillary Clinton (D-NY) took the airwaves by force Sunday morning, flexing her political might with appearances on all five Sunday talk shows. And her dial was turned to 11 the entire time, flooding the zone with details of her recently unveiled healthcare proposal, denunciations of the Bush approach to Iraq, and a wall-to-wall drumbeat of determination to become the next President of the United States. Check out the highlights in today’s Sunday Show Roundup episode of TPMtv …