内容提要：<br />学生选民如何有可能受到召开爱荷华州会议的时间的影响<br />时代杂志评选年度人物的历史<br />一种感冒病毒如何成了一个年轻人生命的威胁<br /><br />(CNN Student News) -- December 20, 2007<br /><br />Quick Guide <br /><br />The Youth Vote - Hear how student voters may be affected by the timing of Iowa\'s caucuses. <br /><br />Time Person of the Year - Discover some of the history behind Time magazine\'s Person of the Year award. <br /><br />Killer Cold - Learn how a type of cold virus became life-threatening for one teenager. <br /><br /><br /><br />Transcript <br /><br />THIS IS A RUSH TRANSCRIPT. THIS COPY MAY NOT BE IN ITS FINAL...