The race is one of several high-profile contests on the ballot Tuesday in primaries in Kansas, Michigan, Missouri, Virginia and Washington state. Tuesday’s races will also settle open gubernatorial primaries in Kansas and Michigan, both of which could be competitive in November. Here are the key races to watch in Tuesday’s primaries:Michigan Senate battle tests Democratic Party’s directionAfter a season of primary battles that brought into clear view the Democratic Party’s clear divides over ideology and electability, Tuesday’s showdown in Michigan might be the biggest of all. He is supported by a number of prominent progressives, including Sanders, Michigan Rep. Rashida Tlaib and California Rep. Ro Khanna. A pastor looks to give Democrats a chance in Kansas Senate raceKansas has a history of delivering Democrats surprise victories within the last decade.