Seth Moulton is running for president, here are some congressional basics

Eye on 2020

Rep. Seth Moulton, D-Mass., arrives for a meeting of the House Democratic Caucus (Tom Williams/CQ Roll Call).

Democratic Rep. Seth Moulton, a Marine veteran from Massachusetts, is vying for the Democratic presidential nomination with a campaign that vows to challenge the Washington establishment. Moulton is known for his unsuccessful push to unseat Speaker Nancy Pelosi and his criticism of U.S. involvement in the Middle East under President Donald Trump.

Get breaking news alerts and more from Roll Call on your iPhone or your Android.