It's been blatantly obvious for many years that Israel has absolutely no interest in peace and that in fact the Israeli leadership welcomes Palestinian attacks as this gives them an excuse to avoid rightting the horrendous wrongs done by the Apartheid state to the Palestinians. There needs to be final status negotiations immediately (and including Hamas). Without this Israel won't achieve (not indeed deserve) peace.
3 wounded in apparent stabbing in Jerusalem Gay Pride parade, Channel 10 reports (Haaretz)
from the article: You can learn it in a negotiations course