McLEAN, Va. (AP) - A man accused of plotting to assassinate President Bush was indicted Thursday on additional charges that could bring life in prison, and prosecutors now say he also planned to establish an al-Qaida cell in the United States. Prosecutors say Ahmed Omar Abu Ali, 24, of Falls Church joined al-Qaida in 2002 while studying in Saudi Arabia and that he discussed possible terrorist operations, including a plot to kill Bush either by shooting or by a suicide bombing.Prosecutors also allege Abu Ali discussed plans to assassinate members of Congress and to hijack aircraft and fly them into...