My mom died from COVID-19 four years ago, just after Mother’s Day. I couldn’t write about it until I could be honest about who she was, a feat complicated by my then-pending congressional race, which I lost in spectacular fashion. Apparently, climate change isn’t at the top of voters’ concerns. Yet. The worst part of my mom’s death was that she — like most COVID patients — died alone in a sterile hospital room with no family allowed to visit. Every time I tried to write this Mothers’ Day column, my simmering anger at how Trump mismanaged and lied to the country about the novel coronavirus perc…