Political Web Sites
This is a few years old...
Daily opinions pieces from around the net: Real Clear Politics
News Sites:
Google News
MSNBC
Newspapers:
New York Times
Washington Post
Magazines:
The Economist
American Prospect
Tech Central Station
Opinion Journal
Think Tanks:
Brookings Institute
Cato Institute
Progressive Policy Institute
Hoover Institute
Blogs
Paul Krugman
Andrew Sullivan
Greg Mankiw
Glenn Reynolds
Washington Monthly
Talking Points Memo
Brad Delong
Marginal Revolution