next is information and entertainment in ways you never thought possible. welcome to what's next. comcastnbcuniversal. breaking news. russian troops have stormed an air base in crimea, where ukrainian forces resisted handing over control, while armored vehicles smashed down the gates. journalists on the ground reported gunshots were heard. at least one soldier was injured. now, this comes as tensions seem just to reach a new height in the eastern ukraine, where troops dug trenches reminiscent of european war a century ago. joining me now is former u.s. ambassador to russian, michael mcfoul. thanks for joining us. the white house just issued a