Will Musk’s free-speech talk lead him to open the hate-speech floodgates? Will Musk allow Donald Trump back on the site? Will advertisers want to see their products sidled up beside, say, mis/disinformation, racist attacks, or conspiracy nonsense? It will be interesting to watch the drama continue to unfold on Twitter, as those who dislike and/or distrust new owner Elon Musk leave the site — and let us know they’re leaving. Musk, who bought Twitter for $44 billion after building suspense for months, is certainly a polarizing figure, and his comments have led many to think the platform will become an...