Today Obama made this case in Newport News, Virginia with a detailed attack on McCain's health plan. Master of exposition, he explained how the plan would 1) give a tax break with one hand and a tax hike with the other; 2) make employee-provided healthcare more expensive by driving the young and healthy into the individual market; 3) drive businesses to drop their healthcare plans as they're stuck with older and sicker plan members and lose their tax deduction; and 4) gut strong state regulations by allowing insurers to sell plans across state lines, giving them an incentive to domicile in states with weak healthcare mandates......