Inside the Clintons’ Plan to Defeat Donald Trump In the days after Donald J. Trump vanquished his Republican rivals in South Carolina and Nevada, prominent Democrats supporting Hillary Clinton arranged a series of meetings and conference calls to tackle a question many never thought they would ask: How do we defeat Mr. Trump in a general election? Several Democrats argued that Mrs. Clinton, should she be her party’s nominee, would easily beat Mr. Trump. They were confident that his incendiary remarks about immigrants, women and Muslims would make him unacceptable to many Americans. They had faith that the growing electoral...