What motivates James Hamilton, whose Econbrowser blog I link to on the right side? Menzie Chinn is Very good. I feel bad for Chinn, here, but I seem to vaguely remember that Chinn dwells on debt too.

WHEN WILL IT BE "CRUNCH TIME" FOR U.S. DEBT ACCUMULATION? by DeLong

Fed Watch: The Importance of Printing Your Own Currency by Tim Duy