 Complete the following phrase:  Born in Indianapolis, Lugar graduated from Denison University and the University of Oxford. He served on the Indianapolis Board of School Commissioners from 1964 to 1967 before he was elected to two terms as mayor of Indianapolis, serving from 1968 to 1976. During his tenure as mayor, Lugar served as the president of the National League of Cities in 1971 and gave the keynote address at the 