Kentucky’s unpopular Republican governor, Matthew G. Bevin, was facing a losing battle. So he turned to President Trump, and a polarized political landscape, for help. Today, we look at why Tuesday’s race for governor in Kentucky is drawing outsized attention, what it may tell us about the politics of impeachment, and how a state race became a national test.  Guest: Jonathan Martin, a national political correspondent for The New York Times. For more information on today’s episode, visit nytimes.com/thedaily.  Background reading: Matthew G. Bevin, the incumbent governor in Kentucky, was deeply unpopular after blaming striking teachers for violence against children.Mr. Bevin pivoted away from his own agenda to make the race for governor a referendum on national politics.Andrew G. Beshear, Mr. Bevin’s Democratic challenger, has claimed victory, but Mr. Bevin has not conceded. Explore our map of the results: A few thousand votes separate the candidates after all precincts reported.