Sometimes all it takes is an eye for innovation and the courage to risk it all. For Duke Long, owner of Interstate Sawing Company in West Bend, Wis., it’s the secret to his success. And it has led his ...

Knocking down a concrete building usually takes brute force: Wrecking balls, huge excavators, or explosives rip apart walls while fire hoses spray water to keep the clouds of dust down. It’s an energy ...