May we see your ID first, sir . . . Tickets to this year's Rock Chalk Revue were presented to Chancellor Chalmers by Rock Chalk staff members, Dave Reibstein, Topeka junior, and Steve Cloud, Prairie Village junior. Rock Chalk will be presented Friday and Saturday nights. Pollution laws reinforced TOPEKA (UPI)—The Kansas Senate Tuesday recommended for passage a measure that will strengthen existing legislation on air pollution. The bill, which contains an all-encompassing definition of air pollution as "the presence in the 18 KANSAN Feb.25 1970 outdoor atmosphere of one or more air contaminants," is expected to be passed by the full senate today. If enacted, the present eightmember Air Quality Conservation Commission would be empowered to hold pre-publicized public hearings, with full subpoena and cross examination powers. Conference to scrutinize Peace Corps, US agencies The success of the Peace Corps and other U.S. agencies will be a topic of discussion at the 20th annual Latin American Conference at the University of Florida. George Waggoner, dean of the College of Liberal Arts and Sciences at the University of Kansas, will be a featured speaker at the conference. His talk will consist of a summary of the conference from the U.S. point of view entitled, "A North American Report." Waggoner will leave for the University of Florida at Gainsville on Wednesday, Feb. 25. The conference will last three days. It is sponsored by the Center for Latin American Studies at the University and will be entitled, "The United State's Presence in Latin America: Universities in Transition." The conference will examine how successful U.S. technical aid programs have been in Latin America along with an evaluation of the U.S. philanthropic organizations there, Waggoner said. Those attending the conference will be analyzing Latin American universities and how much they should pattern themselves from universities in the United States, Waggoner said. Reform methods of U.S. universities will be discussed and the relevance it may have to those in Latin America, he said. The conference will be limited to a working core of about 12 scholars and specialists on subjects discussed, Waggoner said. Death penalty advocated in hijackings world wide must crack down hard on politically-motivated attacks against civilian airline traffic. MONTREAL (UPI) — Airliner hijackers and saboteurs should be put to death where possible, and dogs trained to smell out explosives should patrol international airports, the head of the International Air Transport Association said Tuesday. "In some countries, there is a death penalty, in others not. In any case, I am for the application of the death penalty where that penalty is applicable. The crime is murder," Hammarskjold said. Knut Hammarskjold, director-general of the Association, said in an interview that governments Participating members are specially invited. Half of the group attending will be from Latin America and half from the United States. Mansfield urges lower voting age or raise draft age "If they (18 year olds) are denied this right," Mansfield said, "we seriously consider as part of any future draft or conscription law that no man be subject to the draft unless he can vote—and that would mean 21." WASHINGTON (UPI)—Senate Democratic Leader Mike Mansfield urged Congress Tuesday to lower the voting age in all elections to 18 or considering raising the minimum draft age to 21. Mansfield conceded that setting voter qualifications was the basic responsibility of the states, but that some legislatures had recently refused to lower the voting age. Mansfield suggested that the voting age should be lowered either through constitutional amendment or by legislation.