Jay Trinidad, Guest Blogger [Since Stella Kramer has yet to mastered the ability to be in two places at once, she was kind enough to invite me to blog about last week’s PhotoPlus Expo.] Certain photographers, the ones who derive a visceral pleasure from what they do, possess a kind of enthusiasm, wonder, and openness about life that keeps them continually contributing to the larger world of photography. Last week, I had the opportunity to talk with three such photographers…