Drug testing, many argue, invades an individual's right to privacy. But employers contend that drugs cost their businesses, and therefore consumers, a great deal of money. How can the rights of the

Drug testing, many argue, invades an individual's right to privacy.  But employers contend that drugs cost their businesses, and therefore consumers, a great deal of money.  How can the rights of the individual be balanced against the rights of the employer?  Should regulations regarding testing be determined by the type of job - for example, airline pilot, sales clerk, nurse, carpenter?  If so, which jobs would you include?