Steve Kornacki, who has gained a cult following as the national political correspondent for MSNBC, will join NBC Sports' coverage of Saturday's GI Kentucky Derby beginning at 2:30 p.m. ET. Kornacki, who has been praised for his ability to explain the complicated election process, will apply his analytical perspective in segments entitled "Meet the Contenders." He will also offer insights on notable betting trends. Kornacki also contributed to NBC's Football Night in America programming over the winter, where he broke down the oft-confusing NFL playoff scenarios. "After successfully tackling FNIA,...