Kyiv, Ukraine--The Biden administration should allow the Pentagon to deploy U.S. military advisers to Ukraine to help coordinate the billions of dollars of arms flowing into the country and to keep better tabs on the weapons, members of a bipartisan congressional delegation visiting Kyiv said Saturday. "I think we should do more," Rep. Michael Waltz, R-Fla., the first Green Beret elected to Congress, told Fox News after meeting Ukrainian President Volodymyr Zelenskyy. "That said," Waltz continued, "it should come with appropriate safeguards, with appropriate oversight and the only way we can get that oversight is to actually have some advisors...