As potential deep cuts to federal agencies dominate headlines, it’s more important than ever to understand the people who make the government run. In the final installment of our “Who is Government” series, comedian and filmmaker W. Kamau Bell delves into the antitrust division of the Justice Department and learns about the surprising ways it can help America live up to its promise.

Watch Bell’s video or read his column here: The Rookie

And be sure to check out the rest of the “Who is government?” series.

The Canary, by Michael Lewis

The Sentinel, by Casey Cep

The Searchers, by Dave Eggers

The Number, by John Lanchester

The Cyber Sleuth, by Geraldine Brooks

The Equalizer, by Sarah Vowell