The 58-year-old, who has been detained since April last year, was acquitted of the more serious charge of treason. NAIROBI, Nov 6 (Reuters) - A Tanzanian court on Friday cleared opposition leader Tundu Lissu of treason but found him guilty on a more minor charge of incitement. Tanzania’s High Court has acquitted opposition leader Tundu Antipas Lissu of treason but found him guilty of the.