内容提要：<br />美国内华达州堤岸崩溃洪水泛滥<br />解决肯尼亚政治危机的前景<br />过去美国总统选举的初选和初选结果<br /><br />(CNN Student News) -- January 7, 2008 <br /><br />Quick Guide <br /><br />Western Weather - View scenes of flooding in a Nevada town following a nearby levee break.<br /><br />Unrest in Kenya - Learn about the prospects for a solution to Kenya\'s current political crisis.<br /><br />America Votes - Examine the history of some past presidential caucus and primary results.<br /><br />Teachers: Please prescreen the second segment of today\'s show, as it contains violent images that may not be appropriate for all of your students. <br /><br /><br...