VoteSmartBiographies, speeches, policy positions, and funding for individual candidates are all available on this website.
Fill in the search box with a candidate's name to see where that candidate stands on specific issues, how the candidate voted on legislation as well as a list of contributors with the amount, by company name,industry and economic sector.
You can also type in your address to see all the candidates on your ballot and read about their policy positions. This is one of the oldest and most comprehensive website of its kind. Highly recommended.