In a characteristically over-dramatic tone, WaPo answers concerning NATO leaders, "Now they're worried about something bigger: a full crackup of the alliance, or at least such a weakening of Washington's security commitments that NATO would emerge deeply damaged."
"It's one thing if he goes to the G-7 and is rude to people," a senior NATO diplomat told the Post while speaking on condition of anonymity. "It's another thing to derail NATO."
Among the foremost driving concerns that might "derail NATO" is the possibility that Trump could seek to mend relations with Russia and deescalate tensions when he sits down with Putin for their July 16 meeting in Helsinki, Finland. According to the Post, "European leaders worry that Trump could bargain away their security in the name of better relations with the Kremlin."