BAGHDAD — Saddam Hussein, looking thinner after nearly seven months as a U.S. captive, was transferred to Iraqi custody today, reducing him to a criminal defendant in the land he once ruled and launching the painful process of holding him and his top aides accountable for their crimes. The former dictator and 11 of his top lieutenants are no longer prisoners of war but still locked up with U.S. forces as their jailers. On Thursday, the 12 will appear before an Iraqi judge to hear criminal charges likely to include war crimes, genocide and crimes against humanity. President Ghazi al-Yawer...