Watch live: Greer testifies before Senate on Trump’s trade agenda

Jamieson Greer's Senate testimony on President Trump's ambitious trade plan is a key moment as it delves into controversial new tariffs, including a recent 50 percent levy on Canadian goods, sparking debates on fair trade practices. This hearing is crucial as it underscores the Trump administration's aggressive stance on trade policy and its potential global repercussions. Senators will likely scrutinize these measures to understand their economic and diplomatic impacts, reflecting a broader tension in international trade relations.