'Ethical' investing through war / News of the Money-World Ep 26

We'd all like to think our investment activity can achieve good results, AND do good in the world at the same time. I've often wondered about the relationship between returns, and ethical outcomes but putting that aside, there's a new question to consider... When does investing in oil and weapons manufacturing become ethical? Only when so called 'evil' tyrants are on the rage? Today Rupert and I explore this question and ultimately ask an even bigger question - do we see trouble ahead for those that subscribe to a strict view of what ESG investing involves?