The Russians are "trying to avoid giving anything because they are very, very hard-nosed negotiators," one analyst told NBC News.

President Donald Trump is on Capitol Hill on Tuesday to meet with House Republicans as he continues pushing Congress to pass his "One Big Beautiful Bill Act," which narrowly passed a House committee vote on Sunday.

The Kremlin said on Friday that a meeting between Russian President Vladimir Putin and U.S. President Donald Trump was essential to make progress on Ukraine and other issues, but needed preparation and had to yield results when it happened.