We take a look beyond the headlines at increasing concerns over cyber-security, a problem that was recently highlighted by an online assault on Google from China. This event added to fears about a digital attack that could cripple the information superhighway. For more, Martin Savidge interviews James Lewis.

During a recent upswing in drug violence in Mexican border towns, many critics of the drug war called for a change in U.S. policy toward marijuana use. Meanwhile, New Jersey just became the 14th U.S. state to allow marijuana for medical use. View our maps to compare current U.S. marijuana policy to laws in Europe and the rest of the world.

Mexicans abroad are sending less money home to their families as a result of the global financial downturn and rising unemployment levels. These remittances are the country's second largest source of foreign currency -- after oil sales. Their rapid decline has hit the Mexican economy particularly hard. For more, Daljit Dhaliwal interviews Rodolfo de la Garza.

Jose Moya, a professor of Latin American history at Barnard College, joins Daljit Dhaliwal to discuss the impact of the U.S. trade embargo on Cuba. Moya explains what U.S. policy has meant for Cuban businesses and for American companies investing in Cuba. He also discusses the future of U.S.-Cuba economic relations.

In this week's roundtable discussion, we focus on Europe's economic challenges, including the debt crisis in Greece that has many Europeans worried about their common currency. We also focus on Iran and what the regime is trying to achieve by moving to a higher level of uranium enrichment. Carla Robbins and Garrick Utley join Daljit Dhaliwal.