Photos:: Democratic presidential debate

The candidates stand before moderators Rachel Maddow and Chuck Todd.

Bernie Sanders and Hillary Clinton in their New Hampshire debate.

Bernie Sanders makes a point.

Hillary Clinton.

The candidates spar.

Making their points.

Bernie Sanders.

Hillary Clinton listens to Bernie Sanders.

Hillary Clinton.

Opening statements in the debate.

The start of the debate.

The candidates before their debate.

The debate stage.

People line up to attend the debate.

Outside the debate site.