It is always fun to challenge people on their long held beliefs and make them rationally defend their position. The view point that only one side needs to defe

It is always fun to challenge people on their long held beliefs and make them rationally defend their position. The view point that only one side needs to defend their position is not rational. At the same time you don't need to look at every piece of evidence. If you can't come up with 2 or 3 strong pieces of evidence to support your side and the other side can then you have lost.