A group of U.S. lawmakers is calling for a U.S.-Africa trade summit planned for later this year to be moved from South Africa in response to what they say is the country's deepening military relationship with Russia. In a letter to U.S. Secretary of State Antony Blinken and other senior officials, they also suggested South Africa is in danger of losing its benefits under the African Growth and Opportunity Act (AGOA). Elvis Presslin spoke to Senior Analyst at Bureau for Food and Agricultural Policy, Dr. Mmatlou Kalaba