Close Happy National Mousse Day! Happy National Mousse Day! Here to celebrate with us is Bakery Nouveau's William Leaman. Leaman is going to demonstrate how to whip up a delicious chocolate mousse. wsts2 12:10 PM. PST November 30, 2016 More Stories Widespread power outages impact thousands Jan. 6, 2017, 1:31 p.m. Flu epidemic: state could soon step in to help Jan. 6, 2017, 6:37 a.m. What the Seahawks are saying about Golden Tate Jan. 6, 2017, 9:22 a.m.