How rare is it for a prime minister to attract 4 floor-crossers in 4 months?
Floor-crossing has always been a feature of Canadian politics dating back to the first Parliament — and seeing four opposition MPs jump ship to join the government in a matter of months is rare but not unprecedented.
https://www.cbc.ca/news/politics/history-floor-crossing-to-join-government-9.7126641?cmp=rss