Former Democratic presidential nominee Hillary Clinton in her new book openly questions former Vice President's Joe Biden's assessment that the Democrats did not focus on the middle class during the presidential race. 

"Joe Biden said the Democratic Party in 2016 'did not talk about what it always stood for — and that was how to maintain a burgeoning middle class,'" Clinton said in her new book, "What Happened," which was obtained by CNN.

This article originally appeared on The Hill. Click here to read the full article on The Hill.