captures the unsettled tenor of that post 9-11 period far better 
(ROOT (VP (VBZ captures) (NP (NP (DT the) (JJ unsettled) (NN tenor)) (PP (IN of) (NP (DT that) (NN post) (NML (NML (CD 9)) (PP (SYM -) (NP (CD 11)))) (NN period)))) (ADJP (RB far) (JJR better))))
(ROOT (VP (VBZ ) (NP (NP (DT ) (JJ ) (NN )) (PP (IN ) (NP (DT ) (NN ) (NML (NML (CD )) (PP (SYM ) (NP (CD )))) (NN )))) (ADJP (RB ) (JJR ))))