Trump: ‘Overrated’ George Will ‘lost his way a long time ago'

Donald TrumpDonald John TrumpTillerson: Russia already looking to interfere in 2018 midterms Dems pick up deep-red legislative seat in Missouri Speier on Trump's desire for military parade: 'We have a Napoleon in the making' MORE is weighing in on George Will’s decision to leave the Republican Party because of the presumptive GOP presidential nominee, saying the conservative pundit “lost his way long ago.”

Trump took to Twitter early Sunday, after returning to New York from a trip to Scotland to open a golf course.

“This is not my party,” Will, a frequent Trump critic, said during a Friday speech to the Federalist Society, according to the conservative-leaning outlet PJ Media.

Will said he has switched his Maryland voter registration to "unaffiliated."

“Make sure he loses," Will said during a later interview, adding that Republicans should "grit their teeth for four years" during a Hillary ClintonHillary Diane Rodham ClintonTrump touts report Warner attempted to talk to dossier author Poll: Nearly half of Iowans wouldn’t vote for Trump in 2020 Rubio on Warner contact with Russian lobbyist: It’s ‘had zero impact on our work’ MORE presidency and win the White House in 2020.