The NYT learned about Trump's doubts about the possibility of "charming" Putin

During the negotiations, US President Donald Trump began to suspect that he had overestimated his own ability to "charm" Russian President Vladimir Putin. This was reported on December 30 by The New York Times (NYT).

"The president ... began to suspect that he had 'completely overestimated' his ability to charm Putin," the publication says.

The news is being updated