Health Act Arguments Open With Obstacle From 1867  —  WASHINGTON — The Supreme Court on Monday starts three days of hearings on the constitutionality of the 2010 health care overhaul law, an epic clash that could recast the very structure of American government.

Wonkbook: Absolutely everything you need to know about health reform's Supreme Court debut  —  Today's the day.  The Supreme Court will begin hearing oral arguments as to the constitutionality of various provisions of the Affordable Care Act.  Note that phrase: “Various provisions.”

How Obamacare Will Be Settled: A Primer on the Commerce Clause  —  As the Supreme Court hears arguments about the individual mandate, a complete look at the history of similar constitutional decisions.  —  Amid rampant speculation over the fate of Obamacare in the Supreme Court …

SCOTUS skeptical of idea that mandate is a tax  —  On the first day of oral arguments in the case challenging President Obama's national health care law, justices seemed skeptical that the individual mandate should be considered a tax — one of the main consitutional defenses being offered for the law.

First glimpses of Supreme Court's thinking on health law  —  As protesters chanted outside, the Supreme Court opened three days of hearings Monday on a landmark health care law with questions about whether the case is even ready to be decided.  —  Justices on both ends of the ideological …

Trayvon Martin Killing Lead Prosecutor Says George Zimmerman Could Walk  —  The nationwide clamor for an arrest notwithstanding, the lead prosecutor in the Trayvon Martin case tells ABC News that convicting his killer, the neighborhood watch volunteer George Zimmerman, could prove difficult.

Witness Says He Saw Trayvon Attack Zimmerman (Video)  —  Scroll down to watch viideo report: … *Here's an interesting turn of events in the Trayvon Martin case.  —  A new witness to the shooting has come forward and claims the 17-year-old did in fact attack George Zimmerman …