There is a shortage of respirators and masks, but not food. The actual exporting of food has slowed in some cases due to restrictions on labor, but Bloomberg’s Isis Almeida and Agnieszka de Sousa assembled the following list of food export bans: • Kazakhstan has banned exports of wheat flour, carrots, sugar and potatoes. • Vietnam has stopped rice exports. • Serbia won’t export its sunflower oil and other goods. • Russia has suspended exports of certain grains such as buckwheat and rice. Global wheat, rice and chicken ending stocks are at their highest level in three years. There are more surplus soybeans and pork overhanging the market than two years ago. Coarse grains are down but remain well above req...