Top stories from the Russian press on Friday, April 18th MOSCOW, April 18. /TASS/. The United Nations indicates readiness to join the Black Sea grain initiative, and Russia lifts its ban on the Taliban. Meanwhile, Europe is making efforts to establish contact with the United States. These stories topped Friday's newspaper headlines in Russia.   Izvestia: UN signals readiness to join new Black Sea deal The United Nations is ready to join the Black Sea grain initiative once it is revived, the