Commentary on Russian Foreign Minister Sergei Lavrov's visit to Washington this week has described his country as an "emerging power." That will certainly play really well back in Moscow and be music to the ears of President Vladimir Putin, whose ambition since taking power has been to restore Russia to its former seat on the international stage. Ambitions and rhetoric, however, don't necessarily make it so. Russia rather seems to be on a path toward becoming something like Saudi Arabia with nukes -- repressive internally and in overall economic decline, but wielding clout in the relationship with the West because...