A bipartisan group of senators yesterday introduced a bill that would cut off all U.S. nuclear aid to North Korea unless that country met a host of conditions, including international inspections of all nuclear sites and materials. The bill, termed the "North Korea Democracy Act of 2003," was introduced by Sen. Jon Kyl (R-AZ) and co-sponsored by Sens. John McCain (R-AZ), Jeff Sessions (R-AL), and Evan Bayh (D-IN). The proposed legislation also prohibits the United States from providing any assistance...