A couple of really interesting bloggingheads exchanges:
Dan Drezner (Tufts University and All Politics is Global) talks with Heather Hurlburt (Executive Director of the National Security Network). Topics include climate change, Obama's trip to the G8, the Doha Round of WTO trade negotiations, and China.
Matthew Yglesias (ThinkProgress.org) talks with Megan McArdle (The Atlantic) talk about health care reform, the future of American conservatism, and the financial crisis.
Finally, James Fallows and Niall Ferguson discuss "Chimerica" and the future of the Sino-American relationship: