Taiwan Can't Be Allowed to Become Another Ukraine

Last week, House Speaker Nancy Pelosi visited Taiwan. In reaction, China launched its biggest military exercises ever in the region and fired multiple missiles over the island. This belligerent response shows why Pelosi was right to visit. The tragedy unfolding in Ukraine reminds us that free world cannot stand by when an authoritarian bully threatens a neighboring country.

The visit by the speaker of the House was the highest profile by a U.S. politician in two decades. During the intervening years Taiwan has become a beacon of liberty in the...