During the OIC summit currently being held in Cairo, Abbas gave a speech, beginning it with praises to his fellow despots.
When it was time to flatter the Egyptian president Muhammad Morsi, Abbas called him Muhammad Hosni.
http://youtu.be/1hPDFXLgDLo?t=55s
Morsi was not impressed:
Then again, Egyptians are calling Morsi the new Hosni, so it’s understandable