"We will not even begin to discuss some of these (Russian. -

RT

) proposals," Price quoted by TASS.

According to him, "the United States will not close the door for NATO membership, as this has always been one of the main principles of the alliance."

Earlier, US Deputy Secretary of State Wendy Sherman said that the United States would not allow foreign countries to “close the door” on NATO membership. 

Russian Deputy Foreign Minister Sergei Ryabkov said that the Russian side needs reinforced concrete guarantees that Ukraine and Georgia will never join NATO.