[Warning: Potentially Triggering Content] A Washington state high school teacher crossed lines that should never, ever be crossed, allegedly engaging in an inappropriate and criminal relationship with a 17-year-old student that culminated in a long, secretive night of marathon sex at her home. The teacher, McKenna Kindred, was just 23 at the time and employed at Central Valley High School near Spokane. The student was still a minor. That alone tells you everything you need to know. And yet...