Biden launched the White House Office of Gun Violence Prevention on Sept. 22, as part of his administration's effort to "combat the epidemic of gun violence that is tearing our families, our communities, and our country apart." Officially helmed by Vice President Kamala Harris, the initiative will be led in part by Greg Jackson, the former executive director of the left-wing Community Justice Action Fund. The president lauded Jackson and Rob Wilcox, whom Biden also tapped for the office, for "being advocates for change." But the change Jackson advocates for puts him at odds with a major White House stance....