Congratulations, Kari N! You are the winner of an autographed copy of Christopher’s novel Cul-de-sac! He will be in touch with you! Thank to you and everyone who stopped by to meet Christopher!  I’m excited to welcome fellow Tule author Christopher Null to the Author Spotlight today. I love great mysteries and thrillers and Christopher has just released a new one. He’s here to tell us about and he has a giveaway! Christopher Null is an award-winning writer and journalist who regularly contributes to Wired magazine, and who muses daily about wine and spirits on the website Drinkhacker, where he serves as editor in chief. His first novel, Half Mast, was…