Trump renews tariff threat on Brazil and Argentina
By Maegan Vazquez & Donna Borak
White House opens new fronts in trade war, targeting Brazil, Argentina and France
By David J. Lynch, Rachel Siegel & Terrence McCoy
What's behind Trump's latest tariff threats
By Rachel Layne
Trump Ties Brazil, Argentina Steel Tariffs to U.S. Farm Woes
By Joe Deaux & Brendan Murray