GOOD MORNING, SUNDAY! It's the perfect time to catch up on some of the great reporting and stories the Mercury churned out this week! (PRO TIP: If you despise being "the last to know," then be one of the first to know by signing up for Mercury newsletters! All the latest stories shipped directly to your email's in-box... and then... YOUR HEAD.) • As Portland Public Schools and Teachers Union Stall on Negotiations, District Prepares...