Nine members of the Proud Boys group, who describe themselves as "western chauvinists", and three protesters would face charges.
It depends on a "lifetime ban" bill, which would prevent refugees settled in a third country entering the country, passing.
The words of the scientist, who died in March at 76, were broadcast at a London launch event for his final book, Brief Answers To The Big Questions.
"Bridges would have realised that at some point he was going to have to confront Ross. To delay that day of reckoning was to damage both himself and the party," writes our columnist.