Will US government bonds be downgraded?

Standard and Poors issued warnings http://www.independent.co.uk/news/business/news/sampp-springs-downgrade-warning-on-us-debt-2269709.html     Some question whether S&P has the integrity to make this kind of call   http://www.cnbc.com/id/42650973    Another perspective available in this link http://www.economist.com/blogs/buttonwood/2011/04/debt_crisis    This ten minute video from the Wall Street Journal has individuals involved in this discussing it