Recruiting and enlistment. Obstruction of recruiting, hearings before subcommittee no. 4, 77th Congress, 1st session, on H. R. 4788, to amend sec. 3 of title 1 of act to punish acts of interference with foreign relations, neutrality, and foreign commerce of United States, to punish espionage, and better to enforce criminal laws of United States, subsequently reintroduced and reported as H. R. 4868, May 22, 1941.