Ukrainian Ambassador Oksana Markarova appeared today on Face The Nation and talked to Margaret Brennan that:

- Ukraine will responsibly use U.S.-supplied weapons and will do the same with the latest package of cluster munitions, which sometimes do not explode until years later.

- Ukraine sees the only answer on nuclear security around to largest nuclear plant ZNPP the greatest plant in Europe is “no Russians there”

Full interview is available on CBS News