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How political influence actually works

Plain-language explainers behind the data on this site. Start with a topic, or jump straight to the specific piece you want to understand — each link below goes directly to that section.

Understand the system

Money in Politics

Why political money is hard to track: the six legal structures that shield spending from public view, what each one hides, and what disclosure still shows.

How Power Moves Through People

Influence travels through relationships as much as money: the revolving door, access vs. expertise, family networks — and why the seat matters more than the person. Companion to the Revolving Door data.

How Federal Bills Actually Work

The civics-class version of lawmaking is the exception. How bills really move (with base rates), how to read one without being misled, why titles are marketing, and who actually writes the text.

Congressional Trading: Signal and Noise

Insider trading by members is real and illegal — and most disclosed trades are ordinary. What the STOCK Act requires, what the research actually finds, and why the headlines mislead. Companion to the Trades data.

How this site works

Methodology

Where every number on this site comes from, how the computed views are built, and what the data can and cannot tell you.

Editorial Standards

The rules we hold ourselves to: non-partisan by design, every claim source-linked, corrections made publicly.

Looking for the data itself? See Trades, Revolving Door, Bills, or the developer API.