What was really behind the latest travel restrictions imposed by Ottawa, and whatever happened to the excitement surrounding vaccines?  Two key stories The Bridge looks at with two special guests -- both who focus on science not politics.  Dr Lisa Barret in Halifax and Dr Isaac Bogotch in  Toronto.  And then for some thing very different, will you need a covid sniffing dog to get you into a Leafs (or Habs, Jets, Senators, Flames, Oilers, Canucks) game?