Thomas W. Lippman, a specialist on Persian Gulf security, says U.S. Secretary of State Hillary Clinton’s warning about a U.S. "defense umbrella" to protect regional states from any Iranian nuclear ar…

A leading Republican candidate for president, Sen. John McCain, tells CFR.org the country needs to unite over issues ranging from Iraq to immigration.

Daniel Senor, a former foreign policy adviser for the Bush administration, says Sen. Barack Obama’s trip to Iraq and Afghanistan produced a mix of risks and benefits.

Youssef Ibrahim, managing director of Dubai-based Strategic Energy Investment Group, and a former Middle East correspondent for the New York Times, says the pending deal for Dubai Ports World to admi…

The defeat of Italian Prime Minister Matteo Renzi’s constitutional reforms is another sign that voter anger over poor economic performance is driving anti-establishment politics across Europe, says C…