Original sentence: His educational endeavors since 1994 have focused on an extensive, self-directed program of reading literary classics from around the world along with more recently published works in the overlapping disciplines of government, politics, history, and economics
Edited sentence: His educational endeavors since 1994 have focused on an extensive, self-directed program of reading literary classics from around the world along with more recently published works in the overlapping disciplines of government, politics, leadership, history, and economics