Barrel-chested, with shoulder-length white hair that very nearly falls into the category of "flowing locks," Paul Riddell looks like an off-duty superhero standing outside his North Dallas condo. Behind him, a greenhouse takes up his entire patio save for a small stone walkway. With the insulated structure behind him, he could also be a mad scientist, planning the untimely deaths of his enemies from inside the greenhouse's cloudy walls. But as either scientist or superhero, he is a man on a mission. Nothing will keep him from his passion for horticulture.... More >>>