Trump Blows Whistle on Russian Cheating

Is the INF Treaty so important that the Russians should be allowed to cheat on it without consequence?

That's the implication of the criticisms of President Donald Trump for saying that he's pulling out of the Cold War-era arms-control agreement. Mikhail Gorbachev deemed Trump's stated intention "unacceptable" and "very irresponsible," although it isn't the U.S. that has been flagrantly violating the treaty for years.

The Intermediate-Range Nuclear Forces Treaty, signed in 1987, was a central achievement of the Reagan-Gorbachev diplomacy of the late 1980s. The Soviets had deployed intermediate...