On today's show: Infectious diseases specialist Craig Jenne joins us to talk about what scientists know and don't know about the new COVID variant of concern; we speak with the City's Traffic Management Centre Leader about plans to speed up commute times with improved traffic signal timing; we hear from one of two actors playing Scrooge in Theatre Calgary's production of A Christmas Carol; and we introduce you to Telus Spark's new pandemic robo-dog FLINT!