Mr Joubran was not appointed solely because he was Arab he was appointed because of his skills and resume . Your racism is clear, for some reason you do not believe an Arab could have qualifications to be appointed based only on his skills. Salim Joubran had a right not to sing the anthem and others have a right not to like it. I can understand him and would probably have done the same were I in his shoes but I still have a right not to like it.
Magnitude 4.2 quake strikes near Grand Coulee Dam in Washington (Reuters)
from the article: Arab justice's 'Hatikva' silence was a song of protest