President Trump and his Ukrainian counterpart, Volodymyr Zelensky, are considering a “mega deal” that would see the US buy battlefield-tested Ukrainian drones in exchange for Kyiv agreeing to buy a swath of weapons from America, the Ukrainian leader said. Speaking exclusively with The Post on Wednesday, Zelensky revealed that his latest talks with Trump focused on a breakthrough deal that would see the US and Ukraine prop up each other’s aerial technology — with Kyiv offering to share everything it’s learned about modern warfare in the three-year conflict with Russia.