Finding significant the fact that a nurse "cannot cause a nurse's aide to be fired by giving her a poor evaluation or cause her to be promoted by giving her a superlative evaluation"
Holding that LPNs and RNs were "supervisors" where it was clear that duties of staff nurse clearly required both assigning aides to specific tasks and directing the operation of the aides, as well as the entire nursing home, when DON or assistant was not present
In Chicago Metallic, unlike the situation presented here, the employee at issue was assigned no manual chores and had the authority and discretion to take disciplinary action against employees.