anderson cooper tomorrow at eight on cnn. you live in the cnn newsroom. i m jim acosta in washington. we begin this hour in the african country of sudan , where thousands of americans are caught up in an escalating crisis. the u. s. state department has announced it will carry out a military assisted evacuation of government personnel if the crisis worsens. in the past week, more than 400 people have died since two rival generals first lead their forces into a battle for control of the country. that death toll includes at least one american, both sudan s army and its paramilitary rival. or s f say they will. help evacuate foreign nationals. in fact, minutes ago, the rsf commander says he has talked to us officials and pledged his assistance. when it comes to evacuating americans. the u. s is making preparations . we understand to get diplomatic personnel out right now, but the white house says private citizens should not expect any evacuation and cnn s larry meadow has the la