Clearly, Turkey is not worried about what an international inquiry will reveal. The indication is that he has nothing to hide. Israel, on the other hand, fears an impartial investigation precisely because of what it has to hide. That Obama should warn Turkey against such a probe, instead of encouraging Israel to agree to one, is disheartening to say the least.
15 police officers killed in Colombia helicopter crash (Reuters)
from the article: 'Obama warns Erdogan international Gaza flotilla probe bad for Turkey'