> At a Glance > - Alisa Efimova and partner Misha Mitrofanov lead U.S. Nationals after scoring 75.31 points > - Efimova, born in Finland, needs U.S....

> At a Glance > - Ilia Malinin eyes Olympic debut after two-year undefeated streak > - Alysa Liu returns from retirement to defend women's title > -...