By TRIP GABRIEL
In the summer of 1952, hemp plants growing wild in a lot in downtown Louisville, Ky., were killed with chemical spray.
Attitudes are changing in surprising places. At a hearing on Monday in Frankfort, the Kentucky capital, the state police commissioner’s opposition to hemp growing was challenged by a former C.I.A. director, R. James Woolsey.
“The specter of people getting high on industrial hemp,” Mr. Woolsey said, “is pretty much exactly like saying you can get drunk on O’Doul’s.”