Today [Sep 5] is Teacher’s Day in India. India is a country whose cultural tradition placed the teacher on a par with none less than god. “Acharya devobhava,” said Dattatreya Upanishad. The time has changed. Covid-19 changed it, I must say. Before the pandemic placed the omnipotent smartphone in the hands of students for online classes, the teacher commanded much respect from students. Not anymore. Now the student may know more than the teacher. I may...