Parliament has finally approved Brexit. Now what?

The Omani ruler's role in regional politics will be difficult to fill.

Congressional Republicans argue that the Federal Rules of Evidence should apply to the impeachment trial. But following these rules would guarantee that the Senate could hear from the witnesses that Mitc...

European countries are making progress to hold individuals and corporations accountable for their crimes in the Syrian conflict.

Law-enforcement and counterterrorism agencies need to recognize a real and growing threat.

The U.S. may have attempted to kill a second Quds Force commander simultaneous with the Soleimani attack, this time in Yemen. The situation underscores the confusion that besets the self-defense justific...

Legislators largely allowed the executive branch to take refuge in broad prophylactic doctrines that eliminated any need to consider Congress’s interests.

Any discussion of the obstruction charge against President Trump should take into account the historical constitutional disputes between Congress and the executive branch.

The Canadian Supreme Court rules that a son of Russian spies is a Canadian citizen, and the killing of Qassem Soleimani—and the deaths of Canadian citizens aboard a jet downed by Iran—throws the country’...

The House should subpoena those witnesses whose testimony would speak to the president’s personal culpability in the withholding of appropriated military assistance to Ukraine.