Just days after a US federal judge dismissed Mexico’s first lawsuit against US gun manufacturers, the Mexican government says it intends to file a second lawsuit, this time against gun sellers along the border. Mexico’s foreign minister says about 60% of the weapons seized in Mexico in recent years are believed to have been sold in just 10 US counties near the border. Marco Werman speaks with Arturo Sarukhan. He served as Mexico’s ambassador to the United States from 2007 to 2013.