Running update: I am a moron

I recently wrote that running might not be for me. Well, I have discovered that I was just being a moron. My interest in running was piqued again when I heard folks online talking about Zone 2 training: Zone 2 is a low- to moderate-intensity cardio effort, where you're working hard enough to raise your heart rate, but not so hard that you can't hold a conversation. It's roughly 60-70% of your…