WASHINGTON (AP) — The three days of arguments beginning before the Supreme Court on Monday may mark a turning point in a century of debate over what role the government should play in helping all Americans afford medical care. A look at the issue through the years:

1912:

Former President Theodore Roosevelt champions national health insurance as he tries to ride his progressive Bull Moose party back to the White House. It's an idea ahead of its time; health insurance is a rarity and medical fees are relatively low because doctors cannot do much for most patients. But medical breakthroughs are beginning to revolutionize hospitals and drive up costs. Roosevelt loses the race.

1929:

Baylor Hospital in Texas originates group health insurance. Dallas teachers pay 50 cents a month to cover up to 21 days of hospital care per year. The plan grows into Blue Cross....