The Greek government has imposed new austerity measures, including raising sales taxes and cutting pay for civil servants, to help fix its budgetary crisis. For more on the impact of this major financial issue in the eurozone, Daljit Dhaliwal speaks with Peter Coy, the economics editor for Bloomberg BusinessWeek. And our German partner Deutsche Welle reports.

Greece is continuing its struggle against debt that is threatening the entire eurozone economy. U.S. and European stocks fell amid concern that Greece will not be able to meet its budget deficit targets. We offer a wrap-up of online commentary.

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.

Today there was another reminder of just how fragile the world economy remains. The budget deficits of Greece, Portugal and Spain -- nations that use the Euro -- exceed 8 percent of GDP and could impact the economic fortunes of countries far from Southern Europe. These governments risk defaulting on their debts by failing to control spending.

It's been 20 years since Congress passed the Americans with Disabilities Act, guaranteeing disabled Americans protection under the law. That is not always the case in other countries. During a trip to Greece last summer, producer Megan Thompson met a young woman who showed her how challenging Athens life is in a wheelchair.