Nothing But the Truth by Frederic S. Isham

The scene was the University Club. The talk spread over a good deal of space, as talk will when pink cocktails, or “green gardens in a glass” confront, or are in front of, the talkees. Dickie said it couldn’t be done and Bob said it was possible and that he could do it. He might not have felt such confidence had it not been for the verdant stimulation. He could have done anything just then, so why not this particular feat or stunt? and who was this temerarious one and what was he like?