Bernie Sanders Defeats Trump By a Wider Margin Than Clinton in a General Election
First, Real Clear Politics states definitively that polls show Bernie Sanders winning by a wider margin than Clinton over Trump
While the most favorable poll for both Democrats is the NBC News/Wall St. poll, Sanders beats Trump in this poll by 16 points, as opposed to Clinton's 10 point lead. CNN has Sanders beating Trump by 4 points more than Hillary Clinton and overall, the Democratic-Socialist from Vermont defeats Trump in all the polls by an average of 5.2 points, as opposed to 2.5 points for Clinton.
Most importantly, Democrats need a foil, or the opposite of the New York billionaire, not the former Senator from New York who's proud of once representing Wall Street. A recent POLITICO article titled Trump has spent years courting Hillary and other Dems explains that Donald Trump and Hillary Clinton have a long history with one another