Original sentence: He garnered much of his support from social conservatives, including his corporate sponsors, some religious groups, three.organizations designated by the Southern Poverty Law Center as anti-gay hate groups, and Republican politicians including Sarah Palin, Bobby Jindal and Mike Huckabee
Edited sentence: He garnered much of his support from social conservatives, including his corporate sponsors, some religious groups and some SPLC-defined "anti-gay" organizations,  and Republican politicians including Sarah Palin, Bobby Jindal and Mike Huckabee, who said that Robertson's views are the same as those held by Barack Obama in 2008