This is Harris' highest-stakes foreign trip yet. She will meet some 13 heads of state to discuss the threat posed by Russia, and will speak at the Munich Security Conference.
A full-scale invasion is not a certainty. But if it happens, experts say the effects of sanctions, energy market disruptions and cyberwarfare could reach everyday Americans.
A triple jump used to be the gold standard in figure skating. Now it's the quad. For the first time at an Olympics, a woman — Russian figure skater Kamila Valieva — landed a quad in competition.
The outage impacted the website of the Ukrainian Defense Ministry and the Armed Services as well as two large Ukrainian banks, Privatbank and Oschadbank.
The International Olympic Committee says it will abide by a decision that 15-year-old Kamila Valieva be allowed to skate in Beijing but if she wins "no medal ceremony will take place."
As the fate of 15-year-old Russian skating phenom Kamila Valieva is debated by lawyers, the athletes and coaches in Beijing say this year's Winter Olympics are now tainted by the specter of doping.
Star Russian figure skater Kamila Valieva submitted a doping sample December 25th. It showed she used a banned substance, but the results weren't revealed until after she competed in Beijing.