Odd Man Up Chuck Grassley (R-Iowa) is chairman of the powerful U.S. Senate Finance Committee and is at once mainstream and unpredictable. He has said he disagrees with Donald Trump’s use of the national security (Section 232) rationale for extracting concessions from trading partners, and yet he has endorsed the president’s threat to withdraw from NAFTA as a tactic to achieve congressional approval of its successor, the U.S.-Mexico-Canada Agreement. He is the first to defend U.S. agriculture, but farm groups are anxious over the NAFTA withdrawal tactic. Grassley wants the president to remove Section 232 tariffs from Canada and Mexico, a move supported by farm groups.   Antibiotic Correlations The U.S. Food & Drug Ad...