The arrest of Michael Calvey might help focus minds on the value of foreign investment and reform for Russia’s economic future.

Sanctions on Russians can be a powerful and effective tool, but in some cases there is a risk of spillover damage to other U.S. interests.

The U.S. should not wall off Russia from the rest of the world.

Eurasia, poised between Europe and Asia, is at a crossroads. Russia's new "turn to the East," the launch of the Moscow-led Eurasian Economic Union...