Grain. Amend grain futures act, report [and minority report] to accompany H.R. 9471 [to amend grain futures act to prevent and remove obstructions and burdens upon interstate commerce in grains and other commodities by regulating transactions therein on commodity futures exchanges, by providing means for limiting short selling and speculation in such commodities on such exchanges, by licensing commission merchants dealing in such commodities for future delivery on such exchanges, and for other purposes].