Video source : http://www.youtube.com/v/KsfPWJ5jLfg?f=videos&app=youtube_gdataModern Warfare 2, the most-anticipated game of the year, is the sequel to the best-selling firstperson shooter of all time. Call of Duty 4: Modern Warfare, also developed by Infinity Ward and published by Activision, has sold more than 13 million copies to date. Modern Warfare 2’s epic singleplayer campaign picks up [...]