Please select the major exceptions to "at will" employment under current American law.Employee's serious need for gainful employment.Falure by the employer to give adequate notice of intent to terminate.Promissory estoppel.Employers may not terminate employees on trivial grounds such as not liking the employee.Puthic poticy exceptionsAnti-discrimination and anti-retaliation statutes.Contract of employment stating a particular term or reasons for termination.