On August 3, Puerto Rico defaulted on its US$72 billion debt, which represents more than 100 percent of the island's GDP. In today's program, host Michael Fox speaks with Puerto Rican economist professor Rosario Rivera-Negron. They discuss the history, and ramifications of the island's debt crisis and the outlook for social struggles against the upcoming austerity measures. Also, media coverage of repression in Colombia during the exhumation of the world's largest urban mass grave near Medellin.