 Complete the following phrase:  In the 1980s, Vojislav Šešelj taught political science at the University of Michigan after being expelled by the League of Communists of Yugoslavia in 1981. In June 1989, he traveled to the United States again to meet with Momčilo Đujić in San Marcos, California, where Đujić named him Chetnik Vojvoda duke in Serbian. He went on to form the Serbian Radical Party in 1991 and was accused by the ICTY tribunal of leading the Beli Orlovi militants in 