For the third night in a row on Friday, Greta Van Susteren was the most popular host on cable news. According to Drudge, On The Record averaged 2,313,000 viewers, down from Thursday night but still beating The O'Reilly Factor, who had 2,044,000, and Hannity & Colmes, which had 1,904,000. Greta added 400,000 to her lead-in. Of course, FNC's primetime more than doubled CNN's primetime...