Russia wages open war against NATO, warns secretary general - Nuclear weapons better than NATO, Ukrainians now think: poll reveals dramatic shift - UK Should Lead Push on NATO Spending in Europe, US Envoy Says - Nato chief warns Trump not to push Ukraine deal that would see Putin 'high-fiving' Iran - US, Germany "not ready" to invite Ukraine to NATO, alliance source says - Candidate for post of top diplomat confirms bid to join NATO, EU a priority for Georgia - Angela Merkel delayed Ukraine's NATO bid over Russia fears, memoir reveals - Erdogan meets NATO chief Rutte, French counterpart at EU summit - NATO chief Rutte congratulates Donald Trump on election win