Congress (free) for iPhone is a handy way to keep track of what is going on in Washington in the Senate and the House. The free app comes from the Sunlight Foundation and is non-partisan.
When you first run it you will get news from both the Senate and House, but then you can drill down by state and to a particular member of Congress. You can find new proposed legislation, or track the status of any bill. You can see the latest votes from your legislator, and what bills they are sponsoring.
I gave the app a try and found it easy to use. I liked the idea of getting a map to my congressman's office, but it is only the DC office, not the local
