Progressives at last are noticing that the best argument for government activism is that it works.
( ( Progressives ( at last ) ) ( ( are ( noticing ( that ( ( ( the ( best argument ) ) ( for ( government activism ) ) ) ( is ( that ( it works ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (NNS Progressives)) (PP (IN at) (NP (JJ last)))) (VP (VBP are) (VP (VBG noticing) (SBAR (IN that) (S (NP (NP (DT the) (JJS best) (NN argument)) (PP (IN for) (NP (NN government) (NN activism)))) (VP (VBZ is) (SBAR (IN that) (S (NP (PRP it)) (VP (VBZ works))))))))) (. .)))
Finally, progressives are noticing that the best argument for government activism is its success.
( Finally ( , ( progressives ( ( are ( noticing ( that ( ( ( the ( best argument ) ) ( for ( government activism ) ) ) ( is ( its success ) ) ) ) ) ) . ) ) ) )
(ROOT (S (ADVP (RB Finally)) (, ,) (NP (NNS progressives)) (VP (VBP are) (VP (VBG noticing) (SBAR (IN that) (S (NP (NP (DT the) (JJS best) (NN argument)) (PP (IN for) (NP (NN government) (NN activism)))) (VP (VBZ is) (NP (PRP$ its) (NN success))))))) (. .)))