Where is the money coming from in the 2020 North Carolina Senate race? Will it top the 2014 contest, which was the most expensive race in U.S. Senate history at the time?

Where is the money coming from in the 2020 North Carolina Senate race? Will it top the 2014 contest, which was the most expensive race in U.S. Senate history at the time? https://t.co/LA6ia50SrJ

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