It has not yet been two years since UnitedHealthcare CEO Brian Thompson was shot dead outside the Hilton Midtown in Manhattan, on a frigid December morning, his body crumpled on the pavement as blood pooled beneath him. But when has time, mortality, or common decency ever stopped the violent Left from vilifying a victim and aggravating the very problem they created? Zohran Mamdani, New York City’s smarmball socialist mayor, is now dispatching ta…