DETROIT (AP) — Eleven days ago, General Motors put hundreds of workers on an urgent project to build breathing machines as hospitals and governors pleaded for more in response to the coronavirus pandemic. But President Donald Trump, claiming the company wasn't moving fast enough, on Friday invoked the Defense Production Act, which gives the government broad authority to direct companies to meet national defense needs. Experts on managing factory production say GM is already making an extraordinary effort for a company that normally isn't in the business of producing ventilators. “That is lightning-fast speed to secure suppliers, learn how the products work, and make space in their manufacturing plant.Read more on NewsOK.com