For the first time, liberal opposition to the Ukraine invasion is beginning to reckon with Russia’s tattered empire—and a future without it.

Putin’s most courageous and dogged opponent has been coy about whether the disputed region is part of Ukraine or Russia—and Ukrainians have taken note.

The United States cannot afford to put a foot wrong if it wants to prevent a war in Europe.

The idea that Joe Biden squandered American credibility in the Afghan withdrawal is seductive, but it connects the wrong dots.

Donald Trump, in agreeing to meet with Russian President Vladimir Putin, seems willing to endorse countries flouting international law.