What Does 8:46 Mean? On George Floyd, 9/11, and Memory

On Saturday morning, I took the children to the beach.  We drove down La Cienega on our way to the freeway, and at a red light, I noticed a billboard looming over an intersection.

It read only "8:46," in enormous black numerals against a white background.

I tap Heloise’s knee, and gesture to the billboard. I want to explain something I think she should kn…