it 's not helpful to listen to extremist name-calling , regardless of whether you think kissinger was a calculating fiend or just a slippery self-promoter . 
(ROOT (S (NP (NP (PRP it))) (VP (VBZ 's) (RB not) (ADJP (JJ helpful)) (S (VP (TO to) (VP (VB listen) (PP (IN to) (NP (JJ extremist) (NN name) (HYPH -) (NN calling)))))) (, ,) (ADVP (RB regardless) (PP (IN of) (SBAR (IN whether) (S (NP (PRP you)) (VP (VBP think) (SBAR (S (NP (NNP kissinger)) (VP (VBD was) (NP (NP (DT a) (VBG calculating) (NN fiend)) (CC or) (NP (RB just) (DT a) (JJ slippery) (NN self) (HYPH -) (NN promoter)))))))))))) (. .)))
(ROOT (S (NP (NP (PRP ))) (VP (VBZ ) (RB ) (ADJP (JJ )) (S (VP (TO ) (VP (VB ) (PP (IN ) (NP (JJ ) (NN ) (HYPH ) (NN )))))) (, ) (ADVP (RB ) (PP (IN ) (SBAR (IN ) (S (NP (PRP )) (VP (VBP ) (SBAR (S (NP (NNP )) (VP (VBD ) (NP (NP (DT ) (VBG ) (NN )) (CC ) (NP (RB ) (DT ) (JJ ) (NN ) (HYPH ) (NN )))))))))))) (. )))