A tanker truck drives past Ukrainian border guard boats docked in the Black Sea port of Odessa, Ukraine November 26, 2018. REUTERS/Yevgeny Volokin Russia and Ukraine signed a landmark deal on Friday to reopen Ukrainian Black Sea ports for grain exports, raising hopes that an international food crisis aggravated by the Russian invasion can be eased. The accord crowned two months of talks brokered by the United Nations and Turkey aimed at what UN Secretary General Antonio Guterres called a “package” that would both restore Ukrainian grain exports while easing Russian grain and fertilizer shipments despite tough Western sanctions on...