It’s definitely possible to convert in both directions. I’ve never done it though. The technical hurdles made it unpalatable. My main method of moving back and forth was to keep my personal data on a separate disk from the OS disk. That way I could always take my data with me when I changed OSes or VMs.
100%
His behavior during the NABJ interview was classic Donny: a narcissist doing everything he could to deflect and avoid been held to account for his prior words/behavior.
Just happened that he let his racism shine through as he tried to worm his way out. Which shows how cognitively impaired he is.