Sen. Barack Obama (D-Ill.) voted YES on March 1, 2006, on reauthorizing the Patriot Act. Obama voted NO on December 16, 2005, on the Motion for Cloture of PATRIOT Act (HR 3199).

It looks like the lesser of two evils is still evil.

Source:
http://www.sourcewatch.org/index.php?title=Barack_Obama:_U.S._presidential_election%2C_2008/On_renewal_of_the_Patriot_Act