Big businesses are helping to cover the tab for Obama's D.C. bash, but what might they want in return?

Washington influence peddling isn't new, but that doesn't mean the peddlers shouldn't be called out.

Take a look at some lawmakers and lobbyists who've made the switch from Capitol Hill to K Street, and vice versa, in the recent past.

Moyers and Winship say revolving-door politics allows corporate interests to have an upper hand in the close calls that determine public policy.

Seattle Times reporters investigated how members of Congress awarded campaign contributors with federal dollars for companies in their local Congressional districts.