Al-zarqawi - The man - the animal?

Who is he? How did he become the 2nd most wanted terrorist in the world. Foreign Policy magazine does an excellent review of how this was achieved. Zarqwis rise from the lowest rung of the Arab economic scale to the number 2 spot is contrasted with Bin Laden's rise as the son of a Saudi billionaire to the number 1 spot

http://www.foreignpolicy.com/story/cms.php?story_id=3264&page=0