Video - Hevesy talks OL

[DancingRabbit]

I don't think Periscope will embed

https://www.periscope.tv/w/aK0DxTExNTgzMnwxcm14UGFxUndtWUtO1pCt6BIlKOObt3OuT-9qeYUEjN-oMS5nQFO7bbXV0ic=