Trade remains the top concern for American agriculture heading into 2020, with looming uncertainty about whether the Chinese will make promised increases in commodity purchases, and whether President Donald Trump will provide another round of trade assistance to U.S. producers. 

Warning letters sent by the Food and Drug Administration to 15 producers and sellers of CBD products show the agency is serious about enforcing current prohibitions on the marketing of goods containing cannabidiol, the non-psychoactive chemical contained in hemp.