"When I retweeted this I focused on his (Dr. Rishi Desai) comment on testing vis a vis South Korea. But the first part of his statement is wrong — while some doctors suspected human-to human transmission in Dec, that was covered up by China for weeks and falsely broadcast by the WHO as no problem" - Glenn Kessler - WAPO fact checker.
If you even lose Kessler you're in really bad shape.
https://twitter.com/GlennKesslerWP/status/1245704506748387329
As for your thread title, McCallum asked a question, she let him talk uninterrupted, she got an answer, and the segment ended politely on schedule. Where's the owning?
And it turns out the guy was wrong on top of that.
This was not one of your better efforts.