Former leader Mikhail Gorbachev and others are outraged after last week's elections, which only 3 percent of Russians believed were fair, according to a poll.
Secretary of State Hillary Clinton's trip to Russia marks improving diplomatic ties, and some Russian analysts say President Obama's Nobel Peace Prize is creating momentum for more nuclear cooperation.
Two decades later, a journalist remembers the rapid crumbling of European communism.
Twenty years ago today, Hungary decided to test its allies' mood by opening its border, allowing thousands of East Germans to escape.
From arms control to Afghanistan, analysts say the deals brokered by Obama and Medvedev could profoundly reshape global security.