NEW : Sen. McCain says plan would mean four would lose job-based coverage . McCain argues that the increased competition will lower health care costs , which will allow more of the roughly 47 million Americans who are uninsured into the system . McCain proposes tax credits to help buy health insurance . Individuals would get $ up to $ 5,000 , families 2,500 , under Clinton 's plan . Tax credits would not significantly cover family 's health care costs , critics say .
NEW : Sen. McCain says plan would mean four would lose job-based coverage . McCain proposes tax credits to help buy health insurance . Individuals would get $ up to $ 5,000 , families 2,500 , under Clinton 's plan . Tax credits would not significantly cover family 's health care costs , critics say .