Eighteen months ago, I took up karate. It's a great workout, but the biggest reason I train is I want to be a formidable senior citizen. If someone tries to nab my purse or deny my senior discount at Denny's, I'll be able to answer with a nasty roundhouse kick to the solar plexus. By laying the foundation now, I'll be a badass when I'm 70. But the neatest thing about taking … [Read more...]