NATO angry at Biden? "It requires urgent clarification"

In an article by "Bloomberg", which refers to an unnamed diplomat, the agency states that Washington's position on that issue "infuriated the government of one of those countries".
"They demand an urgent clarification of what President Biden is planning," the source said.
According to the article, the "eastern wing of NATO" is worried about possible concessions to Russia in terms of political guarantees and restrictions on the Alliance's activities.
President of the United States, by the way, talked with the leaders of the "Bucharest Nine", i.e. the group of countries that make up the eastern wing of NATO, about the Ukrainian crisis.
The conversation was held after a video conference between Biden and Russian leader Vladimir Putin and a telephone conversation with Ukrainian President Vladimir Zelensky. The conversation lasted about 40 minutes. Details have not been released, but the U.S. administration said earlier that the U.S. President intends to inform partners about the conversation with Putin, to hear their opinion on the current security situation and to emphasize the U.S. commitment to transatlantic solidarity.
At the same time, the White House pointed out that the United States is ready to discuss with Russia all issues of concern to it and suggests that existing platforms be used for this - the Russia-NATO Council, OSCE, and possible negotiations with partners are being actively discussed.
"The invitation remains in force and we continue to look for a way for further diplomatic cooperation on a whole range of issues," they said from Washington.
A spokeswoman for the Russian Ministry of Foreign Affairs, Maria Zakharova, said earlier that the Alliance, in the absence of a desire to jointly seek ways for de...