The political “war on science” has come full circle: In claiming massive voter fraud in the presidential election, President Trump is effectively questioning political science.

Similar fraud charges previously have been debunked by academic studies, and the president’s claim that several million illegal immigrants voted last year — denying him a popular majority over Hillary Clinton — is discredited by a study released last month by a Dartmouth College team.

Will the study of politics, a social science, become as politicized as that of climate science and other “hard’’ sciences?

“That’s a good analogy,’’ Michael Herron, the Dartmouth government professor who co-authored the report, said this week. “We approached this as a science problem…