"When he succeeded his father in 1999, King Abdullah of Jordan released a batch of political prisoners in the hopes of smoothing his transition to power. Little did he know that among those released was Abu Musab al-Zarqawi, a man who would go on to become a terrorist mastermind too dangerous even for al-Qaeda and give rise to an Islamist movement bent on dominating the Middle East. Zarqawi began by directing hotel bombings and assassinations in Jordan...