Credit Donald Trump with this much: When he finds a riff, he sticks with it.
For the better part of four years now, despite an utter paucity of evidence, the nation’s 45th president has claimed that our electoral system is so rife with voter fraud results cannot be trusted.
The opening salvo came in 2016 when Trump claimed that between 3 million and 5 million votes were illegally cast.
The former num…