"Hey, You Can't Ask Me That!" (How to Respond to Inappropria

I received the following questions from a visitor to my website recently: "How should I respond to inappropriate questions such as: (1) Do you have a stable home life? (2) Tell me about your personal situation. Are these inappropriate questions? It has been so long since I interviewed for a job, your suggestions about the most helpful responses would be appreciated!"
Those are, indeed, inappropriate questions that should NOT be asked at an interview.

Various federal, state, and local laws regulate the questions a prospective employer can ask you. An employer's questions