US elections

Global Politics

Senator Obama abroad

The World's Jason Margolis has a preview of Barack Obama's high-stakes trip to the Middle East and Europe; the trip is seen as a high risk, high reward move for the presumptive Democratic presidential nominee.

Conflict & Justice

Scott Brown and climate change

The election of an anti-cap & trade Republican to fill the seat of the late Senator Ted Kennedy is clouding prospects for a climate bill in the Senate. That makes prospects for strong global action on climate change even murkier. Peter Thomson reports.