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These harsh tactics might work if you're willing to burn down the rest of the party in order to be the last man standing, but if we're going to beat Donald Trump in November, we are going to need huge turnout within our party, and to get that turnout, we will need a nominee that the broadest coalition of our party feels they can get behind. We can't afford to fall into factions. We can't afford to squander our collective power. We will win when we come together.