Turkey's dramatic changes make it ripe for closer diplomatic and economic collaboration with the United States, says Stephen Hadley, co-chair of a new CFR Task Force Report.

Osama bin Laden's killing helped spawn a crisis in Pakistan and left tough al-Qaeda-affiliated movements in the Mideast and Africa, says CFR's Linda Robinson.

Decades of economic and diplomatic sanctions have failed to substantively alter the actions of the Iranian regime, especially regarding its nuclear program. But experts say they remain an important tool to isolate and pressure Iran.

The latest spate of violence in Afghanistan is unlikely to change the course of planned troop withdrawals, but should refocus efforts on bringing under control Pakistan-based militants, says CFR's Daniel Markey.

This week, President Barack Obama held a North American Summit with Canadian prime minister Stephen Harper and Mexican president Felipe Calderón. Next week, he will host Brazilian president Dilma Rousseff for a state visit, before they both travel to the Summit of the Americans in Cartagena, Colombia.

Listen to CFR fellows Shannon K. O'Neil and Julia E. Sweig discuss these meetings, as well as Secretary Hillary Clinton's strategic partnership dialogue with Brazilian foreign minister Antonio Patriota that will be held immediately after the summit in Cartagena.

This week, President Barack Obama held a North American Summit with Canadian prime minister Stephen Harper and Mexican president Felipe Calderón. Next week, he will host Brazilian president Dilma Rousseff for a state visit, before they both travel to the Summit of the Americans in Cartagena, Colombia.

Listen to CFR fellows Shannon K. O'Neil and Julia E. Sweig discuss these meetings, as well as Secretary Hillary Clinton's strategic partnership dialogue with Brazilian foreign minister Antonio Patriota that will be held immediately after the summit in Cartagena.

A preview of world events in the coming week from CFR.org: Iran and the P5+1 resume nuclear talks; the Summit of the Americas convenes in Colombia; the trial of foreign NGO activists resumes in Cairo; and World Health Day is marked.

Prices at the pump are emerging as a significant U.S. election issue. Five experts offer a range of policy options, from lowering regulations to encouraging less consumption.

One year after the Fukushima nuclear crisis, Japan is facing a dilemma of how to clean up the disaster and how to meet current and future energy needs, says expert Charles D. Ferguson, even as the global nuclear industry continues to face the accident's aftershocks.

As GOP candidates vie for Florida, analysts say immigration remains a major issue for the presidential contest, but whether comprehensive reform can be achieved in the current political climate is unclear.

Two controversial U.S. anti-piracy bills have spotlighted the growing challenge of how to protect intellectual copyrights, particularly across international borders, without compromising Internet freedom.

The Keystone XL pipeline debate shows the pitfalls of politics intruding on energy policy, says CFR's Michael Levi. He reviews the pros and cons of the issue and proposes additional steps to bolster U.S. energy security.

With oil supplies tight, regions most vulnerable to oil supply disruptions present a significant economic concern, particularly threats to the Strait of Hormuz and unrest in Nigeria, explains this Backgrounder.

With the contest for GOP presidential contenders formally underway, both parties' prescriptions for economic growth and debt reduction are set to come under intensifying scrutiny.

Will an EU plan requiring all airlines to join its carbon market starting in 2012 spark a trade war and prove financially harmful to a struggling airline industry?

While widening violence by Nigeria's Islamist group Boko Haram has caused concerns about its possible links to international terrorist groups, some experts argue it's best to focus on addressing the crippling poverty, political corruption, and police abuses that are at the root of the violence.

Egyptians headed to the polls Monday in the first parliamentary elections since the ouster of former president Hosni Mubarak amid deepening divisions in society and concern about the nation's direction. Join CFR senior fellow Ed Husain, who is currently in Cairo, for an analysis of the elections and the path ahead.

Egyptians headed to the polls Monday in the first parliamentary elections since the ouster of former president Hosni Mubarak amid deepening divisions in society and concern about the nation's direction. Join CFR senior fellow Ed Husain, who is currently in Cairo, for an analysis of the elections and the path ahead. Also, follow Husain on Twitter: @Ed_Husain.

Egyptians began voting in parliamentary elections despite ongoing protests. But experts say the continuing strife over military rule and fears over Islamist parties threaten stability.

Greenhouse gas trading is now a multibillion-dollar international business and is expected to continue to grow, despite uncertainty about a post-2012 international climate regime.