July 16, 2018 5:40 pm Mountain Lion Tranquilized in San Mateo A mountain lion was tranquilized Monday afternoon after it was spotted in the backyard of a home in San Mateo, officials said. Marianne Favro reports. US & World Videos 0:28 A Vermont state trooper plunges into icy pond to rescue 8-year-old girl 2:59 Keep these travel etiquette tips in mind this holiday season