Oil-rich Venezuela is awash in hundreds of thousands of homeless. Many find places to live where they can — in half-finished shopping malls or under the grandstand at a race track. The huge number of homeless has become an election issue for President Hugo Chavez, who is seeking his fourth, six-year term.

Voters in Yemen go to the polls on Tuesday in a one-candidate presidential election many hope will lead to a resolution of the nearly year-long crisis there. While most Yemenis support the peaceful transfer of power from former President Ali Abdullah Saleh to his deputy, many are frustrated that Saleh has immunity for all the protester deaths last year and that his sons and nephews still control the country.

Host Audie Cornish talks with Eric Westervelt about the decision on whether to grant Greece another bailout, this time worth $171 billion.

The eurozone crisis has focused attention on debt-burdened Greece. Meanwhile, Portugal is seen as the international creditors' poster-child for obediently slashing spending and welfare benefits. But Portugal's national debt continues to grow, and it's mired in recession and unemployment.

While Western officials believe Iran is seeking to enrich uranium for a nuclear weapon, Iran's leaders contend it is for peaceful purposes only. NPR's Mike Shuster discusses Iran's regional, diplomatic and nuclear goals.

South Korea conducts live-fire military drills Monday near its disputed sea boundary with North Korea, despite Pyongyang's threat to respond with a "merciless" attack. The exercise took place in the same area of the Yellow Sea that was the targeted by a North Korean artillery attack in 2010.

Ahead of Senegal's presidential elections this coming weekend, rock-throwing youth have been pouring into the streets of the capital Dakar to protest the president's desire for a third term. They say they will make Senegal ungovernable unless Abdoulaye Wade, 85, steps down.