...The ruddy bricks, green shutters and white curtains were just as I remembered them. But here was something new — a red, white and blue sticker on the windowpane trumpeting the National Rifle Association. ...My response to seeing the sticker was strong. I am an African-American historian and, on the matter of guns and most other political issues, decidedly liberal. To me, the pairing of Lewis Hayden and the N.R.A. felt like an affront. ...Some identify as “gun-comfortable,” like the political scientist Jason Johnson, who attended the 2017 N.R.A. convention and concluded at The Root.com that the event stoked “white...