WASHINGTON — In one of the biggest days of this year’s primary campaign season, voters rejected a measure that would have made it easier to restrict abortion rights in red-state Kansas and repudiated a scandal-tarred former governor seeking a U.S. Senate seat in Missouri.Meanwhile, a Republican congressman who voted to impeach then-President Donald Trump after the Jan. 6 insurrection lost to a Trump-backed opponent early Wednesday, while two other impeachment-supporting House Republicans awaited results in …