Jerusalem CNN  —  Mahmoud Muna looked on in disbelief as plain-clothes Israeli police officers rifled the shelves in his decades-old bookstore in occupied East Jerusalem. The officers were looking for books they deemed “inciteful,” and in the process detained him and his nephew, Ahmad, for 48 hours. The February raid on two branches of the Educational Bookshop – a well-known bookstore popular among Palestinians, Israelis and foreigners – was a widening of what critics describe as a crackdown on