Ukraine's president said his country's defense against the Russian invasion was at a “turning point” and again pressed the United States for more help, hours after the Kremlin's forces reneged on a pledge to scale back some of their operations. Russian bombardment of areas around Kyiv and the northern city of Chernihiv and intensified attacks elsewhere in the country further undermined hopes for progress toward ending the bloody conflict that has devolved into a war of attrition. Civilians trapped in besieged cities have shouldered some of the worst suffering, though both sides said Thursday they would attempt another evacuation from the port city of Mariupol. READ MORE: https://www.wcnc.com/article/news/nat...