TODAY 8a: Kristi Yamaguchi on skating legacy and Olympics. Styling winter whites. Story behind the Great Wall of China.

<p>Savannah Guthrie and Hoda Kotb chat with Kristi Yamaguchi about her skating legacy, the Olympics and the doping scandal involving ROC skater Kamila Valieva. Plus, style expert Jasmine Snow is sharing tips on styling winter whites. And, a special look at the history behind the Great Wall of China.</p>