High schoolers in numerous blue cities around the country have regularly been playing hooky, preferring to attend anti-ICE protests rather than focus on their education. Not surprisingly, the data show that many of these so-called learning institutions have disastrous academic records.The kids don’t need to worry about consequences, though — all too often, the teachers and administrators are egging them on and skipping school themselves to join in the fun.Our teachers' unions should be so proud.On Friday, it was Los Angeles that got hit as hundreds of students left campus and headed downtown to create a little mayhem:What began as...