In light of the prolonged shelling of the city of Kharkiv, Ukrainian President Volodymyr Zelensky has called on Western allies to provide more extensive weapons and authorization to strike deep inside Russian territory. “Russian combat aircraft must be destroyed wherever they are, by all effective means available,” said Zelensky in his daily video address on Sunday. Zelensky pointed to the need to prevent airstrikes like the recent one on the city of Kharkiv, which he said had left one person dead and 12 injured. The recent lifting of a ban by Western states on firing on Russian territory clos…