Wyoming voters head to the polls Tuesday to choose from six Republican candidates for governor and to decide whether a wealthy outsider has made his case to oust an influential U.S. senator.
The governor's race is Wyoming's most contested since 2010, when Matt Mead won 29 percent of the vote to beat six others in the Republican primary.
Two others came within 1 and 3 points of winning that year, showing just how much of a toss-up a crowded race can be. That year's race also showed how important a primary in deep-red Wyoming can be: Mead went on to easily win election in 2010 and re-election in 2014.
This year, the largest share of Republican governor votes could go...