Ukraine and its Western allies are engaged in “fast-track” talks on the possibility of equipping the invaded country with long-range missiles and military aircraft, a top Ukrainian presidential aide said Saturday. Mykhailo Podolyak, an adviser to Ukrainian President Volodymyr Zelenskyy, said Ukraine’s supporters in the West “understand how the war is developing” and the need to supply planes capable of providing cover for the armored fighting vehicles that the United States and Germany pledged at the beginning of the month.