It was about midday when a young Palestinian woman from the refugee camp of Jabalya in Gaza approached an Israeli checkpoint clutching a special permit to visit a doctor on the other side of the border.The girl had big, brown eyes and her black hair was tied in a ponytail, but it was the strangeness of her gait that attracted the attention of the security officials at the Erez crossing, the main transit point between Israel and the Gaza Strip. When a soldier asked her to remove her long, dark cloak, she turned to face him. All her movements were...