Democratic debate: Bloomberg rivals line up to attack billionaire

In a punchy debate worthy of Las Vegas, billionaire Michael Bloomberg came under attack from all sides.

The field of candidates for the Democratic Party's presidential nomination has been shrinking for months, but on Wednesday night in Nevada, the debate stage had one significant new arrival.

For the first time since he launched his unconventional, money-suffused campaign in November, the former New York mayor directly faced off against his opponents.

And they nearly took his face off, rhetorically speaking. Here's how the two-hour fight for the right to challenge Republican...