BrickUniverse bringing Lego convention to Columbus

COLUMBUS, Ohio — If it's true what they say and idle hands are, in fact, the devil's playthings, Rocco Buttliere has never had that problem."I don't think so," he said, laughing.Buttliere grew up with Lego. He also had a love for architecture. Now, at 24 years old with a degree in architecture, he's putting his two loves together.He's a Lego artist. He travels to different Lego fan conventions, like BrickUniverse this weekend in Columbus at Kasich Hall at the Ohio Expo Center. His creation