Ukraine's allies have finally agreed to send it advanced tanks, after months of indecision, but now want Ukraine to start fighting differently.Western officials are suggesting that it adopt a new style of warfare and new tactics that reflect the high-level weaponry it's been given, CNN reported.This would involve moving away from battles of attrition towards launching rapid attacks against Russian forces.Three US officials — deputy national security adviser Jon Finer, Deputy Secretary of State Wendy Sherman, and Undersecretary of Defense for Policy Colin Kahl — met with Ukrainian President Volodymyr Zelenskyy last week, where they reportedly suggested the change in...