The Endorsement Primary

Before any votes are cast, presidential candidates compete for the support of influential members of their party, especially elected officials like U.S. representatives, senators and governors. During the period known as the “invisible primary,” these “party elites” seek to coalesce around the candidates they find most acceptable as their party’s nominee. Over the past few decades, when these elites have reached a consensus on the best candidate, rank-and-file voters have usually followed.
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