 And that's ABC's Rachel Scott. The outgoing NATO chief praises expansion at the latest alliance summit, while some in Europe aren't so sure. More from ABC's Tom Rivers at the Foreign Desk. When Gorbachev said Germany could be reunited, but NATO can't expand eastward, the U.S. abided by that until Clinton. From 16 alliance members 30 years ago, that number's doubled. Jens Stoltenberg maintains it's... Paved the way for EU integration and brought peace and prosperity across the continent.