As turmoil continues in the U.S. banking industry, speculation is intensifying over whether the government should take larger ownership stakes in banks. Columnist Paul Krugman and former FDIC chief William Isaac weigh the pros and cons.

President Hugo Chavez has promised to nationalize Venezuela's telecommunications and energy industries as part of a "socialist revolution." Analysts discuss the country's leftist politics and Chavez's role in promoting anti-U.S. ideology in Latin America.

Bolivian President Evo Morales sent troops to gas fields on Monday after nationalizing the gas and oil industries. The European Union warned the move could put additional pressure on energy markets. Two policy researchers discuss the reasons behind the decree…