CNN posted steep viewer losses during the month of February, slipping 21% in primetime and 16% overall, according to Nielsen Media Research. Fox News was the only cable news network to see gains in primetime during February and beat all other cable news outlets combined for the sixth straight month. FNC averaged 1.57 million viewers in primetime, up 18% from the same period last year, while CNN fell 21% to 637,000 viewers from the same time period. February marked what has been a rocky three months for new CNN U.S. prexyprexy Jonathan Klein, who came to the network hoping to...