Obama: US, Latin America must fight drug violence

President Barack Obama greets people as he arrives to speak at the Anthropology Museum in Mexico City, Mexico, Friday, May 3, 2013. (AP Photo/Dario Lopez-Mills)SAN JOSE, Costa Rica (AP) — President Barack Obama on Friday cast Mexico as a nation ready to take "its rightful place in the world" and move past the drug battles and violence that have defined its relationship with the United States. He then headed to Costa Rica to prod Central American leaders to tackle those same issues more aggressively.