"Louder this time. 1-2-3, 'I love the Marines!'  O.K., you in the back, five pushups!"  Marine recruiter Synaca Witherington, foreground, leads Everett, Washington elementary school children through a few basic exercise drills on the playground.  It was career day at the school, and my assignment was to check out the 30-or-so career groups and shoot whatever made an interesting photo. This is typical of a daily newspaper assignment.  No blood and guts.  Nothing sensational.  Just a slice of life from some every-day event.  In this case, I had been shooting what seemed like a good situation: a professional race car driver showing kids a colorful race car.  But I glanced across the field and saw these kids standing at attention for the Marines, doing jumping jacks, pushups and whatnot. Any time you can get interaction instead of a static situation, you have a chance for a better photo.