The team of nurses that Tilda Shalof found herself working with in the intensive care unit (ICU) of a big-city hospital was known as "Laura's Line." They were a bit wild: smart, funny, disrespectful of authority, but also caring and incredibly committed to their jobs. Laura set the tone with her quick remarks. Frances, from Newfoundland, was famous for her improvised recipes. Justine, the union rep, wore t-shirts emblazoned with defiant slogans, like...