![putin-turkey.jpg](https://assets3.cbsnewsstatic.com/hub/i/r/2023/09/04/7521f867-1635-42c7-8160-ace799689b67/thumbnail/640x360/8f88a52514e845fd3563dac90dc8f502/putin-turkey.jpg?v=d8f7565ef3e8b72561ee316b5993cbf9#)
Putin says no grain deal until demands met
Vladimir Putin says a deal allowing Ukraine to export grain through the Black Sea safely will not be restored unless the West meets his demands. Retired Brig. Gen. Peter Zwack joins CBS News to assess the situation.