On its debut weekend, Oprah Winfrey’s cable network got some healthy sampling from viewers. During the three-hour block beginning at 8 p.m. EST on Saturday, OWN: Oprah Winfrey Network averaged 1 million viewers, according to preliminary Nielsen Co. figures released Monday by the network. OWN said that, during Saturday’s 8 p.m. and 9 p.m. EST […]