Here's a somewhat comprehensive list:
Websites -
Yahoo News:
http://news.yahoo.com/
BBC News:
http://news.bbc.co.uk/
Wall Street Journal:
http://online.wsj.com/public/us
CNN Politics:
http://www.cnn.com/POLITICS/
The Economist:
http://www.economist.com/
Podcasts -
The Economist
New Yorker: Campaign Trail
Real Time with Bill Maher