Mohammed Assaf, the Gazan winner of 2013's Arab Idol contest, was answering questions from fans in a Skype phone-in this week when he received a comment from an Israeli caller who said: "You should come to Israel...you have Israeli blood," the fan said. Assaf replied, "I spit on you and Israel" before going on to answer other fans' questions. It is not clear if the fan was a Jew or an Arab. "I don't want to talk about this issue too much," Assaf told The New Arab afterward. "The person who said that wanted to provoke me and it's known...