Derangement and Danger on the Potomac

The horrific shooting spree on the practice field of the GOP’s congressional baseball team happened early in the morning, but it was hardly the end of Wednesday’s madness on the Potomac.

As it happened, the former was apparently another random eruption by of one of America’s sicko lone wolves—a wretch in the same league as South Carolina church killer, Dylann Roof. Notwithstanding that the latter had littered the nether regions of the internet with racist rantings while the former was apparen...