At the United Nations, U.S. Ambassador John Bolton submits the latest copy of a U.S.-drafted resolution meant to punish North Korea for its reported nuclear test.

NPR: U.S. Submits New U.N. Punishments for N. Korea

Democrats filibustered President George W. Bush's nomination of John Bolton as U.N. ambassador.

CNN: Vote no and send a message to Hagel

And last week, he was responsible for putting off a vote on the nomination of John Bolton to be the U.S. ambassador to the United Nations.

NPR: A Super Tuesday for Lincoln Chafee