The visit by the senators — John McCain, Republican of Arizona; Lindsey Graham, Republican of South Carolina; and Amy Klobuchar, Democrat of Minnesota — came as Estonia and other former Soviet republics that are now members of NATO have grown apprehensive over whether President-elect Donald J. Trump will uphold longstanding American commitments to the alliance.
During the presidential campaign, Mr. Trump dismissed NATO as “obsolete” and appeared to set conditions for continued United States participation in the alliance, the cornerstone of trans-Atlantic security since 1947.
“I am convinced and certain that our relations, and the American relationship with NATO, will remain the same,” Mr. McCain said at a news conference with Estonia’s new prime minister, Juri Ratas.
Among stops on the senators’ itinerary are the two other Baltic states, Latvia and Lithuania, as well as Ukraine and Georgia, two former Soviet republics that are not members of NATO.
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