Hillary Clinton and Barack Obama in Iowa

http://thehill.com/campaign-2008/obama-denies-clinton-charge-of-dirty-tricks-2007-12-04.html

http://thehill.com/dick-morris/what-iowa-slippage-means-for-hillary-2007-11-20.html

http://www.huffingtonpost.com/celeste-fremon/hillary-and-the-20000-fe_b_75207.html

http://www.huffingtonpost.com/chase-martyn/latest-iowa-power-ranking_b_75147.html

http://blogs.chicagotribune.com/news_columnists_ezorn/2007/12/hillary-as-kind.html