Fearing sectarian death squads, Iraqis are trading homes with trusted friends from the other sect, surrounding themselves with those who share their faith but creating segregated neighborhoods increasingly wary of one other. Iraqi officers say about 1,500 families have fled this religiously mixed city 25 miles west of Baghdad. Many others have moved to neighborhoods where their sect predominates — either deserting their former homes or exchanging them with people from the other brand of Islam. Full Story