“If @realDonaldTrump loses in 2020, this will be why,” Axelrod wrote Saturday. “Every, single day, he subjects the country he was elected to lead to a stream of ugly, divisive bombast. It’s exhausting. It’s destructive. It’s unworthy of a POTUS.”

Axelrod added that the “rancor and chaos his daily dose of nastiness creates is a barrier to actually getting things done.”