I know my opinions make an impression—among people inclined to agree with me, anyway. My confidence in influencing those with divergent views, however, is so low that I generally avoid addressing controversial issues with them at all. I wouldn’t talk guns or race with a Republican, for example. I’ve read one too many reports on partisan polarization to go there. To be fair, I’ve offered similar silence to some on my side of the aisle, too, especially the “colorblind” and others who may be . . .