As they lobbied the Trump administration for a $1.5 trillion tax cut, corporations vowed to invest the savings back into the U.S. economy. Today, we investigate whether they made good on that promise.Guest: Jim Tankersley, who covers economic and tax policy for The New York Times. For more information on today’s episode, visit nytimes.com/thedaily. Background reading:FedEx’s leadership lobbied unsuccessfully for tax reform for years. Then it wrote its own tax proposal for President Trump — cutting the company’s corporate tax rate to zero.How the Trump administration’s tax cuts may have affected you, and why you might not believe it.