Retiring Republican Rep. Mark Amodei told CNN that he did not vote for David Flippo, the Trump-endorsed Republican nominee to succeed him in Nevada’s 2nd Congressional District, and labeled him a “fraud.” The comments, made as early voting continues, underscore the unusual vulnerability of a seat that has never elected a Democrat since its creation more than four decades ago. Appearing on Erin Burnett’s program, Amodei said he had already cast h…