Tariffs are taxes that may increase food costs and decrease farm incomes. President Trump has signed executive orders imposing duties on imports from Canada, Mexico and China. The president has also threatened tariffs on imports from other countries, as well as across-the-board tariffs aimed at specific sectors.As the largest exporter of agricultural products in the world, the United States will face retaliatory tariffs and other barriers in retaliation for the recent actions, with a big impact on domestic farmers and ranchers, food manufacturers, restaurants, retailers and consumers.Former Deputy Assistant U.S. Trade Representative Ron Baumgarten.is now of counsel with law firm BakerHostetler, specializing in international trade law and negotiations,