Putin embarked on yet another re-election bid, making full use of his constitutional changes over the years.
Why is the U.S. space program shying away from its ambitious missions of the past?
Did America lose Egypt? Or did China — and what China represents — gain Egypt?
Why does former Soviet leader Mikhail Gorbachev not get credit for ending the Cold War?
How is former KGB official Vladimir Putin different from the last KGB man to run the country?