It is that prospect that may bring Republicans together to defend a CPI everyone knows is inaccurate.
( It ( ( is ( that ( ( prospect ( that ( may ( ( ( bring Republicans ) together ) ( to ( defend ( ( a ( CPI everyone ) ) knows ) ) ) ) ) ) ) ( is inaccurate ) ) ) ) . ) )
(ROOT (S (NP (PRP It)) (VP (VBZ is) (SBAR (IN that) (S (NP (NP (NN prospect)) (SBAR (WHNP (WDT that)) (S (VP (MD may) (VP (VB bring) (NP (NNS Republicans)) (ADVP (RB together)) (S (VP (TO to) (VP (VB defend) (SBAR (S (NP (DT a) (NNP CPI) (NN everyone)) (VP (VBZ knows)))))))))))) (VP (VBZ is) (ADJP (JJ inaccurate)))))) (. .)))
Republicans have always defended such inaccurate CPIs.
( Republicans ( ( ( have always ) ( defended ( such ( inaccurate CPIs ) ) ) ) . ) )
(ROOT (S (NP (NNPS Republicans)) (VP (VBP have) (ADVP (RB always)) (VP (VBN defended) (PP (JJ such) (NP (JJ inaccurate) (NNS CPIs))))) (. .)))