Employee Marty Houck lowers a Caterpillar Inc. engine in the subassembly area at the Ellicott Dredges LLC manufacturing facility in Baltimore, Maryland.

How Washington can renew U.S. manufacturing

The Revitalizing American Manufacturing and Innovation Act has bi-partisan support and would boost a critical segment of the U.S. economy, says Karen Mills, a senior fellow at Harvard Business School and Harvard Kennedy School.