President Donald Trump says there is "tremendous hatred" between Ukraine and Russia and said the U.S. may withdraw from mediation in the near future....

Oksana Markarova, the Ukrainian ambassador to the U.S., tells "Face the Nation with Margaret Brennan" that Russia's most recent overnight drone attack in Kyiv was against "complete...

Democratic Sen. Tammy Duckworth of Illinois, who is on the Senate Armed Forces Committee, tells "Face the Nation with Margaret Brennan" that Mike Waltz, who resigned as national security adv...