MILFORD – As Brittany Smith got ready to blow out the candles on a huge sheet cake marking her 16th birthday, it’s doubtful any of the 60 or so people who came to her home on Sunday to celebrate wondered what her wish was going to be. Nobody knows for sure, because wishes don’t come true if you tell what they are. But most likely, Brittany’s had something to do with the major operation she’s undergoing next month to get a new kidney.Brittany’s mom, Christine Smith, threw the all-day barbecue and party, not only for Brittany’s Sweet 16, but also...