(Reuters) – President Volodymyr Zelenskiy in his New Year address early on Monday said Ukraine had become stronger in overcoming serious difficulties as the war against Russia moves toward its second year. But Zelenskiy’s slick 20-minute video message, delivered from his Kyiv office, made almost no direct reference to the situation on the 1,000-km (600-mile) front line or the limited success of a counteroffensive launched in June. Nor did he refer to the political and diplomatic difficulties in securing continued military and other aid from both the U.S. Congress and the European Union. Zelens…