It's come to this: Kindergarten Cop, a banal 1990 comedy-action movie starring Arnold Schwarzenegger as a police detective who masquerades as a teacher, has been canceled and likened to the explicitly racist silent film Birth of a Nation. Kindergarten Cop was slated to kick off Portland's Northwest Film Center's Cinema Unbound Drive-in Theater on August 6 until critics led by local author Lois Leveen said the PG-13 movie promoted a "school-to-prison pipeline," according to the Willamette Week. In an email to Willamette Week, Leveen likened the Schwarzenegger vehicle to Birth of a Nation and Gone With the Wind: It's true...