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Russia's President Vladimir descends from his plane while arriving in the Volga River city of Samara 868 km (539 miles) southeast of Moscow, on July 21, 2014. US President Barack Obama said yesterday that Putin must prove "that he supports a full and fair investigation" of the Malaysian plane disaster. AFP PHOTO / RIA-NOVOSTI / POOL/ ALEXEI NIKOLSKYALEXEI NIKOLSKY/AFP/Getty Images
Russia's President Vladimir descends from his plane while arriving in the Volga River city of Samara 868 km (539 miles) southeast of Moscow, on July 21, 2014. US President Barack Obama said yesterday that Putin must prove "that he supports a full and fair investigation" of the Malaysian plane disaster. AFP PHOTO / RIA-NOVOSTI / POOL/ ALEXEI NIKOLSKYALEXEI NIKOLSKY/AFP/Getty Images

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Russian President Vladimir Putin signed a law to turn Crimea into the Las Vegas of Russia. CNN's Tom Foreman reports.

Putin bets on Vegas

Russian President Vladimir Putin signed a law to turn Crimea into the Las Vegas of Russia. CNN's Tom Foreman reports.