Michigan's primary is on Tuesday.<br />According to Business Insider the primary is do-or-die for Sen. Bernie Sanders.<br />Michigan has the most pledged delegates at stake Tuesday.<br />Sanders clinched a narrow win in Michigan in 2016 that upset Hillary Clinton.<br />The Sanders campaign is very aware of Michigan's importance to his candidacy.<br />Sanders poured all his resources into Michigan after disappointing losses on Super Tuesday.<br />Joe Biden is ahead of Sanders, 37.8% to 30%, in the state.
