WSJ.com – Work emails during the coronavirus pandemic must walk a fine line between being sensitive and oversharing – “When Benjamin Schmerler sends an email, his words speak volumes about the current state of the world. Gone are the exclamation points or occasional emojis. The public-relations firm owner replaces his usual “hope you’re well” with something more heartfelt. And when he signs off, his new-go-to is: ” I wish you vigorous health and a robust mind-set”…