Obama asks voters to stick with Democrats

Supporters hold up signs as US President Barack Obama speaks at a rally at the University of Southern California in Los Angeles Oct 22, 2010. Obama is on a four-day, five-state swing to support Democrats in the upcoming election.
US President Barack Obama shakes hands as he attends a campaign rally at the University of Southern California in Los Angeles Oct 22, 2010.  
 Source: http://www.chinadaily.com.cn/photo/2010-10/23/content_11449123.htm