These are the things you should know about Bradford Tatum: In the past several years, he’s turned 91, overcome a life-threatening bout with colorectal cancer and won more gold medals in the Olympics than he can count. And his biggest competitor at swim meets is his older brother John — that’s right, older brother — age 92. Follow the link for the full story from PBS NEWSHOUR http://www.pbs.org/newshour/rundown/2012/01/in-their-90s-dc-brothers-still-going-for-olympic-gold.html