Mitt Romney and Paul Ryan have been light on the details as to what their tax plan entails. On Fox News Sunday, Ryan refused to say how much the plan would cost, claiming it would take “too long to go through all the math.” As we head into the first presidential debate, will we finally hear some specifics out of the Romney camp? On today’s Now With Alex Wagner, Nation editor and publisher Katrina vanden Heuvel expressed skepticism. Romney will stick to “massaged talking points,” she says, as the lack of specificity in his campaign comes from an understanding that many of his proposed programs—Medicare vouchers, for example—are widely unpopular.

—Steven Hsieh

For more on Romney’s ‘duck and dodge’ strategy, read Ben Adler on the candidate’s skirting around social issues