Barn was naturally high strung, like his mother, and like all of the W's...so I would say that he did not need to be sniffing any extraneous stimulants.
You reckon, Mayor, his "Mr. Cookie Bars," to combat his sinkin' spells,and give him his mid day "pick me up," had a little Mary Jane in them, as a forerunner to the later haseesh laiden brownies? I reckon.