Photos:: Democratic debate in Brooklyn, N.Y.

The candidates and moderator Wolf Blitzer.

The view from the press room.

The Democratic candidates argue in the debate.

Hillary Clinton answers a question.

A debate moment.

Former Secretary of State Hillary Clinton arrives on stage for the debate.

Sen. Bernie Sanders takes the stage.

Bernie Sanders and Hillary Clinton greet each other before the debate.

Hillary Clinton and Bernie Sanders prepare for the national anthem.

Supporters of Hillary Clinton gather outside the Brooklyn Navy Yard before the debate.

Bernie Sanders backers outside the Brooklyn Navy Yard before the Democratic debate.