Nationalists carry a huge flag of the Russian Empire as they take part in anti-Putin rally Tuesday in Moscow. Tens of thousands of protesters chanting 'Russia will be free' rallied against Putin's third term despite a police crackdown on…

Ahead of the nuclear summit Monday in Seoul, President Obama met with Russian President Dmitry Medvedev and discussed prospects for further nuclear reductions for both nations. Judy Woodruff discusses nuclear issues with Ploughshares Fund President Joseph Cirincione and nuclear proliferation…

With a 64 percent landslide, Vladimir Putin claimed his third term as Russia's president Sunday, prompting celebrations, protests and accusations of voting fraud. Protesters vowed to continue demonstrating until their demands for democracy are met. Margaret Warner reports from Moscow…