President Trump's trade agenda has boxed in congressional Republicans as they fight to hold their majorities in the House and Senate, potentially affecting competitive races in more than a dozen states.

President Trump's trade agenda has boxed in congressional Republicans as they fight to hold their majorities in the House and Senate, potentially affecting competitive races in more than a dozen states. https://t.co/54UM3QVcAA

— NBC News (@NBCNews) April 21, 2018