Plucky elderly man who uses a walker fights back in brutal fashion when much younger male unleashes attack on him with wrench

An elderly man who uses a walker — but still has plenty of grit left in him — fought back in brutal fashion when a much younger male unleashed an attack on him with a wrench Thursday in Fresno, California.The incident occurred on San Ramon Avenue near 4th Street just before 9 a.m., KFSN-TV reported.'Self defense. I have a small custom-made machete. One can protect oneself by any means — fist, [knife], gun.'Police told the station a 45-year-old male with a wrench approached a 65-year-old man usin...