When Willy Claes took over as NATO chief in 1994, Bill Clinton was US President, the Cold War had ended and Europe still took American protection for granted. Now, some 30 years on, the Belgian is horrified by what he describes as the US' "anti-European stance". "I'm not exaggerating, it makes me sick," he says of Donald Trump's shift in US policy in the face of the Russian threat. "Should we view the United States as a competitor or as an enemy tomorrow?" he asks, during an exclusive interview with AFP. IMAGES AND SOUNDBITES