Ukraine’s intensifying crisis has the Obama administration hinting at tougher sanctions against Russia, which could threaten Moscow’s ability to trade and invest, says CFR’s Robert Kahn.

Rising tensions between Saudi Arabia and the United States reflect the differences in the longtime allies’ interests on a range of Middle East priorities, says CFR’s Fred Kaplan.

A short U.S. government shutdown will likely have a limited effect on the economy but will be followed by a protracted debate over increasing the debt limit, which may result in the government’s defa…

Peace talks between Israelis and Palestinians have relaunched, ensuring major new challenges for both parties and the United States, says CFR’s Robert Danin.