ABC was the lead network in prime time among adults 18-49 with original airings of “Shark Tank” (0.78 A18-49 rating) and “20/20” (0.64 A18-49 rating). Compared to the last time their Friday nights had all-original programming (Jan. 15), ABC grew 2 percent (0.69 vs. 0.67 A18-49 rating) CBS was the total viewer leader but in […]