one year ago but they apply almost exactly to the standoff we are seeing today. mayor lori lightfoot is heading into a second week where the local teachers union is resisting calls to resume in-person learning at public schools. but this is much more than covid groundhog day. a lot has changed in the last year, like vaccines. a year ago they were brand-new. with just 16.5 million doses administered january 20th, biden's inauguration day. now we've had 519 million doses given, according to the cdc. that is 74% of the u.s. population with one dose, including kids over the age of 5. so that's a very different ball game. even with the omicron variant tearing through the country, which seems to be far more contagious but less serious, at least if you're vaccinated. over the last year, we have learned remote schooling is a lousy substitute for in person. especially because it can take a serious toll on kids' mental