Good question. This still leaves questions but I found it interesting.

https://www.romanarmytalk.com/rat/showthread.php?tid=19841

I thought he was sniffing his upper lip

From the article.

We have plenty of honest, ideological disagreements with Vice President Harris and Gov. Walz. That’s to be expected. The alternative, however, is simply untenable," said the letter, which was first reported by USA Today.

Remember what he did with TS clearance and his children. The alternative is a national security risk.