WASHINGTON—Sen. Sherrod Brown, D-Ohio, helped unveil legislation today that would mandate sweeping changes in U.S. trade policy.

Brown, a leading Senate critic of the North American Free Trade Agreement and other pacts, says a trade "time out" is needed while a new framework is developed for how U.S. and foreign trading partners should do business.

The legislation is not expected to pass this year before Congress adjourns for the presidential election, and opponents such as the U.S. Chamber of Commerce made it clear yesterday that they will vigorously fight against it ever becoming law.

To read the rest of this article, please click here.