Can congressional Republicans repeal Obamacare?

While conservatives are still seething over last week's Supreme Court ruling saving President Barack Obama's health care overhaul, top Capitol Hill Republicans are gleefully using the decision to fire up their base with promises of a repeal in 2013. The high court's 5-4 decision "underscores the urgency of repealing this harmful law in its entirety," House Speaker John Boehner, R-Ohio, said shortly after last Thursday's ruling. "Republicans stand ready to work with a president who will listen to the American people.