Chief justice could again swing Obamacare case in government's favor

Three years ago, Supreme Court Chief Justice John Roberts cast the tie-breaking vote in a ruling that saved President Barack Obama’s signature healthcare reform. As the high court prepares to weigh another challenge that could shatter Obamacare, a review of Roberts’ recent votes and opinions suggest he could again sway the case the government's way.

The conservative challengers in the case aim to persuade Roberts and the other eight justices that the federal government has overreached by providing tax subsidies to millions of people in 34 states that didn't create their own insurance exchanges.

More