The surprise Ukrainian invasion of Russia's Kursk region is intended to create a "buffer zone" between the two countries and further complicate Moscow's cross-border offensive, Ukrainian President Volodymyr Zelenskyy said Sunday. "It is now our primary task in defensive operations overall to destroy as much Russian war potential as possible and conduct maximum counteroffensive actions," Zelenskyy said in his nightly address, the first public acknowledgment of the offensive's true intent. "This includes creating a buffer zone on the aggressor’s territory – our operation in the Kursk region," Zelenskyy continued. Ukrainian forces destroyed one bridge in the region this weekend and...