MEXICO CITY — U.S. Attorney General Michael Mukasey on Wednesday promised tougher controls on guns flowing illegally over the U.S. border to Mexico, where drug cartels have murdered 115 people already this month. Visiting Mexican counterpart Eduardo Medina Mora in his first foreign trip since taking office in November, Mukasey said the spurt in violence in the first two weeks of 2008 dramatized the need to keep up pressure on what he called "drug... (GunPolicy.org)