Ukraine grain deal renewed at the last minute

The UN-brokered deal between Ukraine and Russia to allow grain exports to sail safely across the Black Sea was renewed today, on the eve of its expiration scheduled for May 18. The delays by Russian negotiators made the renewal uncertain. Host Marco Werman speaks with Joseph Glauber, a Senior Research Fellow at the International Food Policy Research Institute in Washington, about the diplomatic wrangling that has surrounded an agreement that feeds the world and supports Ukraine’s economy.