DENVER, Jan. 8, 2019 /PRNewswire/ --Cornerstone Botanicals DRTV campaign to include TV commercial featuring original "Shark Tank" star Kevin Harrington. Cornerstone Botanicals, an innovative Colorado-based company focused on the production of hemp oil products with cannabidiol (CBD), announces the commencement of a direct response television (DRTV) media campaign … [Read more...] about Cornerstone Botanicals Commences DRTV Media Campaign with Former “Shark Tank” Star Kevin Harrington’s Award-Winning As Seen On TV Production Company