Even as the Democrats seek to unite behind former Vice President Joe Biden, the Trump campaign is going to work targeting Bernie Sanders’s populist supporters while discouraging progressives out of the GOP’s reach from voting for the presumptive Democratic nominee.

“There is a significant percentage of Sanders supporters, about 20%, who back him not for his policies but for his anti-establishment and anti-status quo persona,” said Republican pollster Frank Luntz. “That’s the Trump target in 2020.”