Give Penguins' Kyle Dubas credit for fixing mistake? Moving on from Tristan Jarry?

On his daily First 10 podcast, Post-Gazette sports columnist Jason Mackey reacts to news that the Penguins have waived goalie Tristan Jarry with the intent of sending him to their Wilkes-Barre/Scranton affiliate in the AHL. Why was it the right move for GM Kyle Dubas, despite Jarry's lucrative contract? Will the NHL goaltending group be better moving forward with Joel Blomqvist and Alex Nedeljkovic? Was former GM Jim Rutherford picking Matt Murray over Marc-Andre Fleury still the right move in hindsight, given what it led to with Jarry? How much does the Jarry contract taint Dubas moving forward? And what can the Penguins expect from star Evgeni Malkin amid his return?