Obamacare: 3 years in, it faces steep challenges

WASHINGTON -- The Affordable Care Act is sure to survive the latest vote by the House of Representatives Thursday to repeal it — since the Senate doesn't plan to take it up and President Obama would veto a repeal bill if it somehow reached his desk — but the administration's signature legislative achievement still faces serious perils ahead. Americans have a dimmer view of the health care law now than they did when Obama triumphantly signed it three years ago, according to monthly tracking polls by the Kaiser Family Foundation.