Mr.Obama plans to pull out roughly 2/3 of the 142,000 U.S. troops in Iraq.He says those who remain will train Iraqi security forces, protect civilians and fight terrorism.

• 奥巴马计划撤出在伊拉克14万2千的2/3部队.；他说那些剩余的部队训练伊拉克的安全防卫力量；保护平民和打击恐怖分子