Should employers use non-competition agreements or other restrictive covenants? If so, under what circumstances?

Should employers use non-competition agreements or other restrictive covenants? If so, under what circumstances? What should an employer do if someone that the employer wants to hire is a party to a restrictive covenant with a previous employer?

QuestionShould employers use non-competition agreements or other restrictive covenants? If so,under what circumstances? What should an employer do if someone that the employerwants to hire is a...