(Bloomberg Opinion) -- In the post-pandemic era, CEOs have been trying to put an end to the bring-your-whole-self-to-work experiment. No water cooler chitchat about the war in Gaza, please. Cool it on the Slacks about vaccines and immigration. The result? A return to old-school norms of office etiquette: Save your personal views for your personal life. In the aftermath of the killing of conservative activist Charlie Kirk, bosses are taking it a step further. They’re making it clear they want more of a say ...