On the 9th Borderlines podcast episode, Garth Barriere and Eric Purtzki join Peter Edelmann and Steven Meurrens to discuss the constitutionality of laws that are retroactive or retrospective.  Peter and Steven also discuss the recent election of Donald Trump as the 45th president of the United States.

Garth and Eric are both criminal defence attorneys in Vancouver.  Both have appeared before the Supreme Court of Canada on numerous occasions.