Word Cloud Examples:
Ex1: http://worditout.com/word-cloud/302058
Ex2: http://worditout.com/word-cloud/302060
Ex3: http://worditout.com/word-cloud/302063
Sunlight Congress documentation and API:
http://sunlightlabs.github.io/congress/bills.html
http://sunlightfoundation.com/blog/2012/02/13/introducing-python-sunlight/
http://congress.api.sunlightfoundation.com