n interstate commerce for purpose of en- gaging in immoral practices. 18 U.S. C.A. § 2422. Joseph D. Tydings, U. S. Atty., John G. Underwood, and Carl J. Lorenz, Jr., Asst. U. S. Attys., Baltimore, hid, for plaintiff. Nathan M. Cohen, Chicago, Ill., for defendant Austrew. William F. Mosner, Towson, Md.,