Is it fair to excuse the criminal responsibility of someone who acted under an irresistible impulse?

This is not a research paper just a simple discussion question!!!

I do not need them answered in such a form but just a paragraph to 2 paragraphs per question with 1 reference for each question.

1. Is it fair to excuse the criminal responsibility of someone who acted under an irresistible impulse?

2.) Should the sale and possession of handguns be