Biden was considered to be a moderate liberal , clocking a 77.5 percent liberal voting record in 2006 and lifetime score of 76.8 percent . Biden was Pro-Choice on abortion rated 100 % by NARAL and supported a state 's right to have civil unions . He favors a Balanced Budget Amendment and a rollback of the Bush tax cuts . He supported the PATRIOT Act , the war in Afghanistan and voted in favor of authorization of military force into Iraq . He believed a political solution can be met in Iraq through federalization . Biden said he would favor American military intervention into Sudan to end the Darfur genocide . He supported Gun control and was given an F by the NRA . He opposed the No Child Left Behind Act although he voted in favor of it in 2002 . Biden opposed capital punishment and supported the continuation of the war on drugs . In 2007 , he voted in favor of the Comprehensive Immigration Reform Bill and supported a path to citizenship for illegal immigrants . Biden opposed oil drilling in the Arctic National Wildlife Refuge and said he believed that the government must take action against global warming
Darfur genocide
Darfur genocide
Joe Biden 2008 presidential campaign