It didn’t take long for some progressives to exploit the tragic shooting at a Washington State high school last Friday, as they used it in an attempt to gain support for a ballot initiative requiring expanded background checks on all gun transfers in the state. Within hours of the Oct. 24 shooting that claimed the lives of two students at Marysville-Pilchuck High School, one of the billionaire backers of the Nov. 4 ballot initiative posted a link to the story on his Facebook page with the caption, “We need more school shootings!!! Vote yes on Initiative 591.” Facebook post by...