The Ticker: Murphy, Cooper, Liesman…

By Chris Ariens 

> Dateline’s Dennis Murphy travels to Italy to investigate the case of Amanda Knox, the American college student implicated in the disappearance of her British roommate. The story airs Friday at 9pmET.

> CNN announced today that Anderson Cooper will, for the fourth year in a row, host New Year’s Eve coverage for the network. CNN anchors and correspondents will provide reports from celebrations across the country and around the world with Cooper anchoring from Times Square.

> Today at 3pmET, CNBC’s senior economics reporter Steve Liesman will be live in Washington speaking with President Bush’s economic team as part of the CNBC White House Summit.