The Iran nuclear deal and subsequent UN Security Council resolution do little to bind the United States legally, though policymakers would face political pressure against reinstating sanctions, says …

Mexican President Felipe Calderón’s state visit to Washington could highlight immigration concerns at a time of growing cross-border partnership on Mexico’s drug war, says CFR’s Shannon O’Neil.

Nuclear diplomacy between Iran and a group of major powers may miss a significant deadline in July, but both sides appear intent to continue, says expert George Perkovich.

F. Gregory Gause, a leading Saudi Arabia expert, says the U.S. plan to sell some $20 billion in sophisticated military hardware to Saudi Arabia and other Gulf states is part of a concerted effort in …

The drawn-out talks between Iran and the P5 +1 nations over Iran’s nuclear program are expected to resume after the U.S. presidential elections, says veteran arms control expert Daryl Kimball.