How to Turn Down a Job Interview

Great Company, Terrible Job,
How to Turn Down a Job Interview
Still Looking for that perfect job?Many candidates complain that they are being invited to interviews for jobs, that appear to have nothing to do with their current skills, or job interest.

What to do - should you turn down the interview, and if so, how do you turn down this interview, but still keep yourself active with the company or referral agency.
Should you attend every interview you are invited to?