That is the biggest reason for all conflict.. Till 2008 there was no problem, even erdogan visited israel. But israel wanted to play a cheat as always they do and ignore and lie to their only friend in region in the peace process, which I actually suspect that israel wants a permenant peace. Flotilla and davos events were basically a revenge of turkey to isreal. Hope, israel dont do this mistake again!
High school teacher's union threatens strike (Haaretz)
from the article: Turkey summons Israel's ambassador over Barak's remarks on spy chief