Edward Glaeser, Fred and Eleanor Glimp Professor of Economics at Harvard University, discusses poor world megacities, the reasons their growth differs from previous patterns of urbanization, and the …

Watch Democratic Presidential Candidate Senator John Edwards discuss his foreign policy agenda as part of the Council's Campaign 2008 Series.

Watch experts remark on what is at stake at the G-20 London summit and outline possible policy options for member countries.

CFR Senior Fellows Edward Alden and Shannon K. O'Neil discuss border security and U.S. immigration policy.

MERIT JANOW: I think we're ready to begin. My name is Merit Janow, and it's my pleasure to preside at this morning's discussion. A few administrative matters: Please turn off your cell phones and B…