Academic sentenced for aiding Pyongyang Samuel Len/IHT Tuesday, March 30, 2004 SEOUL A German citizen of South Korean descent who returned to his native land last year after 36 years of exile in Germany was sentenced on Tuesday to seven years in jail on charges of working for North Korea. The defendant, Song Du Yul, is a sociology professor at Munster University. He left South Korea in 1967. Song, 59, had been outspoken in his criticism of the regime of the South Korean military dictator Park Chung Hee during some of the darkest moments of the cold war. The focus...