Getting and staying on a headhunter's radar is a vital skill for any job seeker. If a candidate has been “presented” by a headhunter on a search – whether it means that he or she has actually gone in for an interview or just been discussed by the headhunter with the client company – the candidate has every right to expect feedback from the headhunter.
It's less realistic, though, to expect a headhunter to call back everyone who wants to ...