The irony and awkwardness would be too much to handle given he is at the helm of a state with similar practices to that of Apartheid, not to mention the treatment of African migrants (or "infiltrators" as Israeli politicians would lovingly call them) in Israel. At least he has the decency not to insult the memory Mandella with his presence!!!!
Pope Francis: Priests in Holy Year can absolve 'sin of abortion' (AP)
from the article: Netanyahu cancels South Africa trip over high travel costs