Sen. Bernie Sanders said he would be open to implementing busing in 2019 after the issue came up during the first Democratic primary presidential debate.

“I am really concerned about the growing segregation — once again — the resegregation of communities all over this country,” the 77-year-old Vermont independent told National Review in comments published Friday. “We’re seeing more and more schools which are being segregated. And that is something we have to deal with.”