US presidential debate in full swing	http://www.chinadaily.com.cn/world/2008-09/27/content_7086447.htm
	Vice presidential debate under full swing	http://www.chinadaily.com.cn/world/2008-10/03/content_7086444.htm
	Analysis: Obama, Clinton begin unity campaign	http://www.chinadaily.com.cn/world/2008-06/28/content_6803735.htm
	Obama seals Democratic nomination	http://www.chinadaily.com.cn/world/2008-06/04/content_6735524.htm