We've been here before...and it ended badly...
"I believe that the flexible provisions can within reasonable time remedy inequalities; that this provision is a progressive advance and gives great hope of taking the tariff away from politics, lobbying, and log rolling; that the bill gives protection to agriculture for the market of its products and to several industries in need of such protection for the wage of their labor; that with returning normal conditions our foreign trade will continue to expand."
https://millercenter.org/the-presid...930-message-regarding-smoot-hawley-tariff-act
Later:
"What captain of industry or what union leader in this country really yearns and is eager to return to the days of Smoot-Hawley? For the world of you-know-what-deep depressions, rampant unemployment, low profits, if any and, generally, losses."
- President Lyndon Baines Johnson, speech (December, 1967)