The battle over the Trump administration’s executive order on immigration raises weighty constitutional questions involving presidential power and the judiciary’s role in national security, explains …

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 …

The Republican presidential candidates are aligned on most foreign policy issues, but they could quarrel over immigration and the Iran nuclear deal in their first debate, says CFR’s James M. Lindsay…

The unusual trial of Bo Xilai and China’s crackdown on both corruption and press freedom reveal a confused and conflicted leadership, says CFR’s Jerome Cohen.

Prime Minister Shinzo Abe has a fresh electoral mandate to implement structural reforms but many of his intended changes will require the transformation of Japanese society, says CFR’s Sheila Smith…