Republicans will meet in Michigan on Saturday amid simmering internal turmoil to choose their presidential nominee, with Donald Trump expected to sweep the delegates at stake in the battleground state as he draws closer to the nomination. Nearly 2,000 party insiders are registered to participate in a presidential caucus in the western Michigan city of Grand Rapids, where they will choose delegates for former President Trump or his lone remaining rival, former U.N. ambassador Nikki Haley, for the party's national nominating convention in July.
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