Complex sentence: Two of the articles were singled out as exceptional by several reviewers: "America is not a Hamburger" discusses the US State Department's attempt to re-brand America's image overseas; "The Brutal Calculus of Suffering" discusses media portrayals of war.
Split into simpler sentences: Two of the articles were singled out as exceptional by several reviewers. The second, "The Brutal Calculus of Suffering", discusses media portrayals of war.