Good Afternoon ZZ!!
I noticed that sniffing too. Very odd, and very often. A sort of "post nasal drip" variation.
It is widely known that Viagra often gives men a "runny nose", so I assume Donald is taking the Viagra Once a Day pill, as prescribed by his long haired creepy Park Avenue doctor, with the hovering wife who took the stationery to the limo. No standing on Park Avenue by the way
Viagra will do it, and so will cocaine, but with four Secret Service agents surrounding him all day I don't think his druggist can get near him