Clinton and Obama

http://www.nytimes.com/2008/02/14/us/politics/14delegates.html?_r=1&ref=us&oref=slogin

http://www.washingtonpost.com/wp-dyn/content/article/2008/04/15/AR2008041502664.html?nav=hcmodule

http://www.boston.com/news/politics/politicalintelligence/2008/04/more_superdeleg.html

http://www.newser.com/story/24614.html

http://www.washingtonpost.com/wp-dyn/content/article/2008/04/15/AR2008041503586.html?nav=hcmodule