Jeans of any sort should not be worn in nice restaurants. They pollute the landscape. They should also not be worn in the workplace if no other workers wear them. However, if your office is casual, go for it.

Politeness decrees that you must listen to be kind; intelligence decrees that you must listen to learn.

That's how a nation's manners are going to be taught - from watching others' behavior and learning from the effects of that behavior.

President and Mrs. Kennedy would walk into the East Room with their honored guests, preceded by the military color guard, who then posted their flags behind the receiving line. This ceremony never failed to move all of us, no matter how many times the staff witnessed it.