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Primary watch: Incumbents lose seats; Democrats fund election deniers

Primaries are underway in Illinois, Mississippi, Oklahoma, Colorado, New York, Utah and Nebraska. NBC News Correspondent Vaughn Hillyard discusses the latest on how Democrats are spending millions to boost election deniers in the primary election in hopes of easier races for Democrats to win come November. National Political Correspondent Steve Kornacki is at big board to break down if Republicans are right to expect a red wave.