National PostRepublicans seize on Biden middle class comment ahead of debateReutersBy Patricia Zengerle | WASHINGTON (Reuters) - Vice President Joe Biden told a campaign rally on Tuesday that the middle class has been buried for the past four years, just longer than President Barack Obama's time in the White House.Biden: Middle class 'has been buried the last four years'PoliticoBiden says middle class 'buried' the last 4 years, Republicans pounceFox NewsBiden "buried middle class" gaffe under fireCBS NewsSan Jose Mercury News -Washington Post (blog) -Boston Globeall 391 news articles »