There's an important distinction to be made between disagreement on the facts and disagreement on their implications. I find that the best conversations can be

There's an important distinction to be made between disagreement on the facts and disagreement on their implications. I find that the best conversations can be had by figuring out which points of disagreement are on questions of fact and then asking "how do you know X?". Repeat respectfully as necessary. Peter Boghossian calls this technique "street epistemology".