Soon after the Dec. 14 school shooting in Newtown, Conn, it became clear that gun control would become an important issue in Washington, especially with the arrival of a new Congress. We decided to...

A look at the details of each inauguration.

The million-plus people at the 2009 inauguration used their cellphones mainly for texting and calling. Monday’s crowd likely will be smaller, but this time around people will be using data-sucking gizmos to do everything from checking the weather to Skyping with Aunt Grace in Missouri. Wireless prov...

Reporting mental health cases to the national database used for background checks varies from state to state.

The National Rifle Association uses campaign expenditures and a rating system based on members' voting histories to exert influence over members of Congress. Use this graphic to see who gets the most -- and least -- support.

A look at the modernization of the Panama Canal

A collection of select print and interactive graphics for 2012.

Seasonal nature in the Washington DC area