Mike Lee Kanerek just started a new blog on Haganah and self defense. feel free to check it out..
http://www.haganahblog.com/2011/01/03/topic-of-the-week-the-1st-line-of-defense-is-the-last-line-of-defense/
http://www.haganahblog.com/2011/01/03/topic-of-the-week-the-1st-line-of-defense-is-the-last-line-of-defense/