No need.  Mueller is getting closer.  Manafort talking to Russian oligarch directly offering access.  Already looking for youth sized hand cuffs.  Heck, even W's ethics czar sees what's coming.   The sight of Gen. Kelly wincing/turning away/enduring the most childish of all lectures to the UN perhaps won't be something he and the world has to endure again.
George W. Bush's Ethics Chief: This 'May Be What Puts An End To This White House' - HuffPost
https://apple.news/AnT7WjGmXSPKm6--GSXBulA