First, big box stores like Wal-Mart introduced self-service checkout stands. You know — the ones where we shoppers begrudgingly do the jobs of the stores for free while under intense electronic and in-person surveillance and all without so much as a discount or meaningful human interaction? Well, now — thanks to the Biden economy — the newest trend at restaurants and stores with self-service checkouts is to coerce and guilt consumers into adding unearned tips to their total.I don’t know about you, Dear Reader, but I grew up in an era when tipping was in direct proportion to the quality...