WASHINGTON, Oct. 16 (TNSrep) -- The Congressional Research Service issued the following In Focus white paper (No. IF11400) on Oct. 15, 2024, by Christopher A. Casey, international trade and finance Analyst: * * * Presidential Authority to Address Tariff Barriers in Trade Agreements The U.S. Constitution grants Congress the power to regulate trade with foreign nations and to lay and collect duties. Since the 1930s, Congress has periodically authorized the President to negotiate trade agreement more PR