Years ago, I was in a department store doing some Christmas shopping. Christmas music was playing and I was getting into the spirit of it all... when suddenly I realized that I was singing along with Natalie Cole. Natalie and I were singing her new Christmas song at the time. It was a big hit, called "My Grown-up Christmas List." Did you ever hear it? In the song, Natalie Cole reminisces about how when she was young, she sat on Santa's …