Julian Zelizer : Hillary Clinton 's comment about being ` ` dead ' '' landed with a thud . He says gaffes tend to drive a lot of media out of politicians . Vast majority of gaffes do n't have a significant lasting impact , he says . Zelizer : When gaffes do occur , it 's because they reinforce perceptions of candidate 's flaws .
Julian Zelizer : Hillary Clinton 's comment about being `` dead broke '' landed with a thud . He says gaffes tend to drive a lot of media coverage of politicians . Vast majority of gaffes do n't have a significant lasting impact , he says . Zelizer : When gaffes do matter , it 's because they reinforce perceptions of candidate 's flaws .