On the two-decade anniversary of the U.S. invasion, Iraq is weakly governed, leaving it prone to instability and meddling by neighbors—especially Iran.

Wars are fought not only on the battlefield but also in domestic political debates and in histories written after the fact. In the case of the US invasion of Iraq 20 years ago, we are still in this final phase, seeking an elusive consensus about the war’s legacy.

Europeans consider vast U.S. subsidies for cars, clean energy, and semiconductors a danger to their economies.

The Islamic Republic of Iran may be on an accelerated schedule for revolutionary decay, at least if compared to the USSR.