On January 15, Iowa will take center stage as the first leg of the Republican primary race to the presidential nomination.

Usually, the caucuses signal the kickoff to primary season. But this year, there isn't a lot that is usual about the Republican race so far.

Former President Donald Trump is vying for his party's nomination - against an increasingly smaller pool of challengers.

And despite the fact that Trump is currently facing 91 felony charges from state and federal jurisdictions, and has not attended a single debate, he continues to lead the pack.

The most recent Iowa polls show him at over 50%. If that number sticks, it would be impossible for any of his four challengers to pull ahead in any significant way.

NPR's Scott Detrow speaks to Iowa Public Radio's Clay Masters and J. Ann Selzer, president of the Iowa based polling firm Selzer and Company, on what the candidates numbers say about the race and the overall state of the Republican party.

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