Politics and religion are the two issues that must be the most difficult to discuss and not make enemies. It is my opinion that these can be discussed but we must be very specific about anything we disagree about. And we must be willing to accept that each of us has core beliefs that almost surely will remain even after much discussion. Opinion and beliefs are not facts.
Generally we do not learn anything by discussing any issue ONLY with people that agree with us. And we take the chance that beliefs that we start with may be shown not to be correct.