A nurse who was being quarantined at a New Jersey hospital after working with Ebola patients in Sierra Leone criticized her treatment on Saturday as an overreaction after an initial test found that she did not have the virus. “I am scared about how health care workers will be treated at airports when they declare that they have been fighting Ebola in West Africa,” the nurse, Kaci Hickox, wrote in an essay on the website of The Dallas Morning News, in collaboration with a friend who works for the paper. “I am scared that, like me, they will arrive and...