When the San Jose Mercury News ran a controversial series of stories in 1996 on the relationship between the CIA, the Contras, and crack, they reignited the issue of the intelligence agency's connections to drug trafficking, initially brought to light during the Vietnam War and then again by the Iran-Contra affair. Broad in scope and extensively documented, Cocaine Politics shows that under the cover of national security and covert operations, the U.S. government has repeatedly collaborated with and protected major international drug traffickers. A new preface discusses...

This sociolinguistic study offers a new theoretical framework for understanding the diffusion of language change within a community. Advanced statistical analysis methods are used in rigorously testing the supposed norm-enforcement effect of social networks. Revisions to the social network model are proposed, allowing the effects of various social factors operating simultaneously on the individual to be considered in evaluating the process of resistance to language change.