One Small SparkThere is something about a Rabbi Yechiel Spero's stories that lights up our lives. Sometimes it's the inspiration. The Kopycznitzer Rebbe found a way to sing, and brought a spark of joy during the Holocaust. Sometimes it's a little kindness that goes a long way. The second grader was sitting all alone. Until one Zeidy saw him, and adopted a new grandson for a day. Sometimes it's the incredible caring. Half a century had passed. Now the tears of the