It is easy to underestimate how much fear can obstruct a society’s recovery from horrific violence or repression, or both; and fear now dominates Iraq as its leaders try to make a new start after decades of a ruthless tyranny, its violent removal, and the chaotic aftermath. One principal fear among Iraqis is that there could be a resurgence of the Baath Party and a return to dictatorship. Another is that Iran will dominate Iraq through its influence on Shiites.