Starting on Monday, ABC journalist David Muir will replace Diane Sawyer as the anchor of World News. Given the liberal legacy of predecessors like Peter Jennings and Sawyer, it's not surprising that Muir has a history of fawning over "cool kid" Barack Obama and attacking conservatives. The Media Research Center has compiled a Profile in Bias of his worst examples of liberal bias. [See below for videos.] On April 9, 2009, Muir, then the World News weekend anchor, thrilled over pictures of pictures of Obama at the G-20 summit. The journalist enthused to George Stephanopoulos: "...Heads of state are seemingly trying to get close to the head of the class, or the cool kid in the class, if you will, President Obama." [MP3 audio here.] On January 20, 2009, inauguration day, Muir insisted that even traffic jams had been hushed: "So many of the streets are closed, those that are open are clogged. But there were no car horns, no shouting."