[OT] Can Trump come to Canada

Apparently someone at CP24 (a cable news station which used to be local to Toronto but now seems to be national) got to wondering if Trump would have any obstacles in coming to Canada as a convicted felon and asked around. He's expected to come to the G7 meeting in Alberta next month.
In a nutshell, felons are NOT normally allowed into Canada but there is an exception for people travelling under a diplomatic passport.
https://www.cp24.com/news/canada/2025/05/23/can-trump-visit-canada-for-the-g7-if-hes-a-convicted-felon/
However, once he is no longer president and is travelling under a normal passport, he will likely be barred from entering the country.
This seems like a plausible answer to the question. Nelson Mandela spent 27 years in prison for crimes he admitted during his trial yet I seem to recall he made a visit here as President of South Africa. I don't know if he ever visited privately after his presidency; I don't recall any such visit.
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Rhino