There are serious doubts about the liberal credentials of Obama’s supreme court nominee, Elena Kagan. Some excellent analysis here:
http://www.salon.com/news/opinion/glenn_greenwald/2010/05/10/kagan/index.html
http://jonathanturley.org/2010/05/10/obama-to-nominate-elena-kagan/