MEXICO CITY - A new proposal from Mexico's ruling party could send musicians to prison for performing songs that glorify drug trafficking. The law would bring prison sentences of up to three years for people who perform or produce songs or movies glamorizing criminals. "Society sees drug ballads as nice, pleasant, inconsequential and harmless, but they are the opposite," National Action Party lawmaker Oscar Martin Arce told The Associated Press on Thursday. The ballads, known as "narcocorridos," often describe drug trafficking and violence, and are popular among some norteno bands. After some killings, gangs pipe narcocorridos into police radio scanners,...