Exchange Bakery & Restaurant, Inc. v. Rifkin

A workman may leave his work for any cause whatever. He need make no defense, give no explanations. Whether in good or bad faith, whether with malice or without, no one can question his action. What one man may do, two may do or a dozen, so long as they act independently. If, however, any action taken is concerted; if it is planned to produce some result, it is subject to control. As always, what is done, if slegal, must be to effect some lawful result by lawful means, but both a result and a means lawful in the case of an individual may be unlawful if the joint action of a number.

A…