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In West Virginia and Indiana, the Republican Senate primary fights have morphed into multi-candidate battle royals with the combatants focused on one mission: out-Trumping their opponents.

In Indiana, the Republican hopefuls are sporting MAGA hats and nominating President Donald Trump for the Nobel Peace Prize. In West Virginia, they are bragging about who endorsed the president first and talking about “swamp people” in Washington.

Tuesday’s primary votes will tell us if the strategy worked, but some key numbers in the states explain all the one-Trumpsmanship – at least for primary season.

For starters, both states not only went for Trump in 2016, the president did much better than 2012 Republican Presidential Nominee Mitt Romney.

Trump performed 9 points better than Romney in Indiana and 15 points better than Romney in West Virginia. Both states are rich in a voter group that was especially good to Trump in 2016 and who stand strongly behind him still: working class whites. Whites without a college degree make up 61 percent of the 25-and-older population in Indiana and a remarkable 74 percent of that group in West Virginia. Nationally, the figure for that group is only about 42 percent.

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So, those two numbers make a pretty good argument for Republicans staying as close as they can to the president in those states – particularly when you consider that each state has three legitimate GOP candidates dividing the vote.

But after Tuesday, the Senate races in both those states will cast an eye toward November’s general election, and there the I’m-with-Trump strategy could get a little more complicated even in places that appear to be deep Trump country.

Donald Trump’s 2016 win didn’t just rely on Republican voters, it relied on people who were more about supporting the man than his party – voters who are truly Trump supporters first and Republicans, or something else, second.

Will those voters come out when Trump is not on the ballot? The elections of the past year suggest the Trump bump may not be a transferable quality.