He should have gotten a much longer sentence. Not only is rape a horrible crime that society cannot tolerate, but the President of all people should be setting an example for moral, ethical behavior, and this one committed a chilul Hashem, a desecration of G-d's name. Katsav got off way too easy.
Red Cross: Scale of sexual violence in South Sudan is unprecedented (Reuters)
from the article: Former President Moshe Katsav gets 7 years in jail for rape