Even before Seattle Police investigators have been able to determine a motive for Wednesday’s wild shooting spree in the Seattle’s Lake City neighborhood, a member of the Seattle City Council tweeted, “We must have stronger gun control laws,” as if one more law might have prevented the chaos. The tweet came from Councilwoman Teresa Mosqueda, who added in her message, “We must crack down on hate.” But was this a hate crime, or something else? Mayor Jenny Durkan also made the almost obligatory call for an end to so-called “gun violence,” even though one of the two victims actually died...