The West must be ready to face the 'deadly quartet' of global adversaries, analysts warn
LONDON — Hot on the heels of last week's NATO summit that highlighted the threat and "systemic challenges" posed by Russia, China, North Korea and Iran, geopolitical and defense experts say the West must now prepare itself to confront such adversaries. Former NATO chief George Robertson on Tuesday warned that the U.K.'s armed forces must have the capacity to confront a "deadly quartet" of rivals, as he launched a strategic review into Britain's defensive capabilities. "We're confronted by a deadly quartet of nations increasingly working together," he said, in comments reported by Sky News. "We in this country and the NATO alliance