High-speed train travel is set to take over in China. New lines linking major cities are providing faster and faster routes. China has committed almost $300 billion over the next decade to build the planet's most expansive high-speed network. The world's fastest train covers the 664-mile Guangzhou-Wuhan trip in just three hours -- an average speed of 217 mph.

In a victory for indigenous protesters, Peru overturned two controversial laws intended to open the Amazon rainforest to foreign investors. But demonstrations have continued around the country. Reporter Terry Wade joined Worldfocus from Lima to discuss the social unrest in Peru and its lasting implications for the country's economy and political landscape.

In the wake of the $50 billion Madoff fraud case, a Worldfocus contributing blogger writes about worldwide Ponzi schemes and their relationship to the global financial crisis.

Paul Blustein of the Brookings Institution discusses Alwaleed bin Talal's decision to buy tens of millions of shares and the future of foreign investment in U.S. companies.

The debate on China's expanding investments and interests in Africa falls somewhere between paranoia and praise.