Add one more soldier to the Left’s war on Fox News: Oscar the Grouch. Last week, in a re-broadcast of an episode that originally aired two years ago, Oscar starts his own news network, GNN (Grouchy News Network). An irate viewer calls in to berate him that the news is not grouchy enough: “I am changing the channel. From now on I am watching ‘Pox’ News. Now there is a trashy news show.” Later , Anderson Cooper from 4th place CNN, guest stars as a reporter for GNN. “Walter Cranky” and “Dan Rather-Not” — Muppets representing real-life liberal news personalities...