(S (S (SBAR (WHADVP (WRB When)) (S (VP (VP (VBG campaigning) (PP (IN for) (BASENP (DT the) (NNP United) (NNPS States) (NNP Senate)))) (PP (IN in) (BASENP (NN 2006)))))) (COMMA ,) (S (BASENP (NNP Steele)) (VP (VBD had) (VP (VBN been) (NP (BASENP (DT a) (JJ vocal) (NN critic)) (PP (IN of) (BASENP (NNP then-President) (NNP George) (NNP W.) (NNP Bush)))))))) (PERIOD .))