Ban that too. No booze on the plane, no booze in the airport. If somebody shows up already drunk at the airport, he or she doesn’t get on the plane.
Pelosi will have to purchase her own jet - She had a bar on the government’s plane wherever she flew with her boozing friends. Bet 95% of Washington Politicians have a boozing problem and probably follows them when they fly.
A very scant few people cause a problem so you want to punish the people who did nothing wrong?
I bet you are on the gun ban bandwagon for the very same reason.