The New York Times has a nifty interface that programmers can use to access information about Congress, the Congress API. Recently, they have added improvements including bill cosponsorships, a new members response, and member voting record comparisons. Read about it here:
- Congress Returns, As Does an Improved Congress API, By Derek Willis, New York Times Open Blog, (September 2, 2009).
Also see: NY Times Announces the Congress API.