A popular argument holds that Russian President Vladimir Putin has made a big mistake.
Because of Putin's violation of Ukrainian sovereignty, Ukraine is more likely to look west and prosper. Russia will be increasingly isolated and grow poorer.
Russian President Vladimir Putin hoped to win the world's respect with his staging of the Winter Olympics. But a ruler who does not respect his own people will never be truly respected. One day after the Olympics ended, Mr.
A study in the journal Science finds that the United States is putting a lot more methane, a potent contributor to global warming and the primary compound in natural gas, into the air than the Environmental Protection Agency (EPA) has estimated.
Few people like to take tests. But tests play a critical role in determining what students know and what they still need to learn. They're important also for measuring how well teachers are doing and helping them to improve.