BEAR, Del. -- A former pediatric nurse has been charged with trying to poison her toddler son by injecting human feces into his bloodstream. Stephanie McMullen, 29, was charged Thursday with assault and reckless endangerment counts and released on bail. Doctors at the hospital where McMullen worked alerted police that her 22-month-old son had been hospitalized six times since he was four months old for "serious, potentially life-threatening illnesses," acting police chief Lt. Col. Scott McLaren said. During one examination, doctors found E. coli, a bacteria found in feces, in the boy's bloodstream, and said the only way it could...