After judge's ruling against 'Obamacare,' what happens now?

WASHINGTON — A federal judge's ruling would, if upheld, wipe away the entire Affordable Care Act, the health care overhaul championed by President Barack Obama and twice sustained by the Supreme Court.Judge Reed O'Connor's opinion was issued late Friday, and supporters of the law vowed to appeal and take other steps to preserve health benefits in the law sometimes called "Obamacare."Some questions and answers about O'Connor's ruling:WHAT IS THE IMMEDIATE EFFECT OF THE RULING FOR AMERICANS