TAMPA — On a sunny Friday afternoon in downtown Tampa, Glen Baham stood on the sidewalk outside a corner café, pondering a blank canvas in front of him. Passersby slowed to appear at his assortment of abstract art propped alongside the wall of the Kava Lifestyle Kava Bar powering him — their bold shades, the urban feel. “Nice,” a girl explained. “You like it?” claimed Baham, 27. “Thank you very a great deal.” So: What colors to choose for his next piece of road art? “Pink,” an individual suggested, and he was off, squirting and spreading the acrylic paint, grabbing a palette knife for texture. As he labored, the rap…