Here are some articles which are quite interesting and thought provoking:

http://www.washingtonpost.com/blogs/wonkblog/wp/2012/08/30/no-we-dont-need-chinas-money-to-keep-deficit-spending/

http://krugman.blogs.nytimes.com/2012/08/30/fear-of-china-syndrome/

http://www.chinadaily.com.cn/business/2010-03/20/content_9618147.htm

http://www.project-syndicate.org/commentary/america-s-other-87-deficits

http://www.time.com/time/specials/packages/article/0,28804,2086781_2086783_2086787,00.html

http://www.bloomberg.com/news/2011-07-14/too-much-debt-means-economy-can-t-grow-commentary-by-reinhart-and-rogoff.html