NATO’s new Secretary General Mark Rutte warned on Oct. 8 that Ukraine may be facing its most challenging winter since the start of the full-scale invasion, as the country prepares for more Russian attacks against energy infrastructure. “Russia continues to carry out massive strikes against Ukraine’s critical energy infrastructure. Ukraine could be facing its toughest winter since the full-scale invasion began,” Rutte said during a press conference alongside Finnish President Alexander Stubb. Ukrainian officials have warned that Moscow is preparing to carry out strikes against Ukrainian nuclear…