Trump’s top trade official testifies before House lawmakers as massive tariffs go into effect

US Trade Representative Jamieson Greer is set to testify Wednesday to House Ways and Means Committee on President Donald Trump’s aggressive trade agenda as reciprocal tariffs go into effect.

​ US Trade Representative Jamieson Greer is set to testify Wednesday to House Ways and Means Committee on President Donald Trump’s aggressive trade agenda as reciprocal tariffs go into effect. Read More Breaking News, Latest News and Videos | CNN