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Next week, President Obama will travel to Moscow to attend a summit with Russian President Dmitry Medvedev. He should use that opportunity to engage not only with the government of Russia, but to communicate directly to the Russian-speaking world.

Correctly, the Obama administration has focused on the need to reach out directly to adherents of the Muslim faith. Last month in Cairo, surrounded by hundreds of young people, students, and activists, Mr. Obama eloquently conveyed both America's values and hopes for a better relationship with the Muslim world, a relationship rooted in genuine respect.

As of now, no major speech to reach the hearts and minds of the Russian-speaking world is planned, but it should be part...