(S (S (BASENP (NNP Musto)) (VP (PRN (COMMA ,) (PP (IN in) (NP (BASENP (NN addition)) (PP (TO to) (NP (BASENP (PRPD his) (NNS appearances)) (PP (IN on) (NP (NP (BASENP (NNP Countdown)) (PP (IN with) (BASENP (NNP Keith) (NNP Olbermann)))) (CC and) (BASENP (DT the) (NNP E) (NNP !) (NNP network)))))))) (COMMA ,)) (VP (VBZ has) (VP (VBN been) (VP (VP (VP (VBG writing) (BASENP (PRPD his) (NN column))) (PP (IN for) (BASENP (DT the) (NNP Voice)))) (PP (IN since) (BASENP (NN 1984)))))))) (PERIOD .))