Pittsburgh-area boy has just weeks to live
                                
                                
                                    (Newser) -
                                    Christine Swidorsky and Sean Stevenson were supposed to get married in July of next year, but they moved the date up to tomorrow instead for one important reason: so their 2-year-old son, Logan, can serve as best man, reports the  Pittsburgh Tribune-Review . Doctors have given the toddler, who has battled...