At the end of November, the Observer’s Rebecca Dana reported that veteran Nightliner Dave Marash was “negotiating a job in the Washington bureau” of Al Jazeera International. Today she follows up on The Media Mob: Marash will anchor two and a half hours a day from Washington, D.C., and also “report stories around the world and moderate in-studio discussions.”

“This is a real sort of marriage made in heaven in terms of journalistic ambition and interest,” Marash says…