BAGHDAD, Iraq -- A Connecticut civilian hired to protect American diplomats was among at least five people killed Thursday when two insurgents detonated explosives-laden bags at a shopping bazaar and restaurant inside Baghdad's fortified Green Zone. The two lunchtime blasts marked the first time insurgents have penetrated the heavily protected area that is the seat of the Iraqi government and home to American officials. Iraq's most feared terror group, led by Jordanian militant Abu Musab al-Zarqawi, claimed responsibility for the midday blasts and said they were suicide attacks, according to a statement posted on a website known for its Islamic...