After a 1/2 marathon in fall 2007 and the subsequent year and a half of profound laziness, I've decided to train this summer and into the fall for my first full marathon.I'll be running in the Columbus Marathon on October 18th, 2009. (http://www.columbusmarathon.com).In an effort to make this big commitment of time about more than just running a race, I've decided to use this opportunity to celebrate my dad Pat O'Brien's continued remission and to honor the many O'Brien friends and family who have been affected by cancer.This year, hundreds of thousands of people will hear the words "You have cancer," and there's a good chance that some of...