What is goaltending interference? That’s what Derek Lalonde was asking on the bench Tuesday night after the Penguins scored a goal that tied the score 3-3. https://cdn.theathletic.com/app/uploads/2023/03/29220755/DET2.mp4 Lalonde challenged the play after Jason Zucker pushed Alex Nedeljkovic’s pad with his stick on the scoring play. While Lalonde doesn’t have the best record — the play made him 0-3 on the season in challenges, all of which were for interference — the point remains that there’s a lack of clarity on what the rules are. https://cdn.theathletic.com/app/uploads/2023/03/29220746/DET1.mp4 No, really — who among us can actually define it? While there are technically written…