As I dialed the number, my palms began to sweat. The person on the other end wasn’t a loan officer or angry lawyer; he was an old friend and we were about to catch up. This should all be mildly pleasant but was instead nerve-wracking. You see, I had reached out to him because we had a problem.  Over the years, my friend’s politics and my own had taken incompatible turns. On social media, I saw him growing reactionary; he…