(S (S (NP (BASENP (DT The) (NN forum)) (PRN (COMMA ,) (VP (VBN moderated) (PP (IN by) (BASENP (NN pastor) (NNP Rick) (NNP Warren)))) (COMMA ,))) (VP (VBD was) (VP (VBN scheduled) (S (VP (TO to) (VP (VP (VB showcase) (BASENP (DT the) (NNS candidates))) (PP (TO to) (NP (NP (BASENP (DT an) (JJ evangelical) (NN segment)) (PP (IN of) (BASENP (DT the) (NN population)))) (COMMA ,) (SBAR (WHNP (WP who)) (S (VP (VBP account) (PP (IN for) (NP (BASENP (NN 26.3) (NN %)) (PP (IN of) (BASENP (DT the) (JJ American) (NN public)))))))))))))))) (PERIOD .))