Laura Merritt Walker Courtesy of Laura Merritt Walker/Instagram Lifestyle blogger Laura Merritt Walker and husband David Walker are “humbled” by the support they’ve received since the death of their 3-year-old son, Callahan. Merritt Walker who runs the popular Instagram account Merritt & Style with sister Cristie Merritt Taylor shared her and David’s message of gratitude in an Instagram Story on Sunday, February 18. The message was accompanied by a link to a Spotify playlist titled “Cal Bear