Washington (CNN) The 2018 election will be all about Donald Trump.

Everything we know about midterm voters -- including that there will be less of them and they'll hail more from the parties' bases than in a presidential cycle -- means that the Trump factor will be on their minds at the polls.

"Both of these sides have been waiting for this moment since January 2017," professor of history and public affairs at Princeton University (and CNN contributor) Julian Zelizer told me about this year's midterm voters. "These are people who have been encouraged or most aggravated by what's happening in the news."

Because of that, for campaigns this year ( and increasingly over the last few cycles ) it's less about how to win voters over, but how to get the ones you want to the polls. Case in point: Trump's hard pivot to the immigration issue in the last week of the election in an attempt to rile up Republican voters.

"It's clear he's trying to activate his base," UNI political science professor Chris Larimer told me this week.

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