The Biden administration is working on a plan to set in stone specific levels of aid to be delivered to Ukraine over the next ten years, Ukrainian president Volodymyr Zelenskyy said in a televised address on Sunday night. The bilateral agreement, which the White House has not yet addressed, would encompass military aid, joint weapons production, and additional financial and political support and arrive at undisclosed, pre-planned levels over a decade, Zelenskyy said, the transcript shows. In the same address, Zelenskyy pleaded for additional air defenses. “Also, our teams, Ukraine and the Unit…