Is Religion Positive or Negative for Humanity?

Should religious beliefs play a role in shaping public policy?
What is the strongest argument in favor of the separation of church and state?
Can morality exist without religion?
Is religious faith compatible with science?
Is the declining interest in religion a problem?
Is religion a matter of blind faith?
Do all religions worship the same higher power?

Christopher Hitchen’s God Is Not Great is an atheist’s critique of religion
https://en.wikipedia.org/wiki/God_Is_Not_Great
An argument in favor of religion based on Ross Douthat’s recent book Believe: Why Everyone Should Be Religious.?
https://ttf.org/portfolios/online-conversation-why-believe-with-ross-douthat/