Memorial Ceremony Remembers Landslide Victims at Oso, WashingtonThe 43 people who lost their lives in the deadliest landslide in U.S. history have been remembered at a somber ceremony. Amy Moreno of KING reports.Memorial Ceremony Remembers Landslide Victims at Oso, Washington01:24Get more newsLiveonNBC News NowPrintMarch 23, 2015, 10:57 AM UTC