The United States has long pressured countries such as Mexico and Thailand to extradite alleged drug kingpins for trial here. Mexico relented at the end of March, just as the deadline was approaching for Congress to reverse President Clinton’s decision to recertify Mexico’s efforts in the war on drugs.

Thailand succumbed in 1996, sending to the United States no less than a former member of the Thai parliament and a multimillionaire owner of resorts and hotels accused of smuggling 50 tons of marijuana into America.