Photojournalist Mariam Dagga left behind pictures of hospital where she was killed in Israeli strike
                                
                                
                                    (Newser) -
                                    The last photos taken by Mariam Dagga show the damaged stairwell outside a hospital in the Gaza Strip where she would be killed by an Israeli strike moments later. Dagga, a visual journalist who freelanced for the  AP , was among 22 people, including five reporters, killed on Monday when Israeli...