As the United States continues to debate the legality of President Obama's healthcare law, south of the border Mexico is preparing to celebrate a healthcare milestone of its own: universal coverage. Ten years ago, half of Mexico's population had no health insurance. Then the congress passed a law guaranteeing access to care, and a government insurance program called Seguro Popular was born. Mexico's newly appointed health minister, Salomón Chertorivski, used to run the Seguro Popular program and spoke with the NewsHour about the progress and challenges ahead.