By Enitan AbdultawabPresident Donald Trump abruptly ended an interview with NBC’s Meet the Press on Saturday after a heated exchange with moderator Kristen Welker over his claims that California’s primary elections were “rigged.”The tense interview, conducted during Trump’s visit to Wisconsin ahead of the midterm elections, deteriorated when the president alleged that Republicans were losing ground in California because of election fraud.Discussing the June 2 Calif