Behind troop cut, bitter spite between Trump and Merkel

President Donald Trump has clashed with plenty of US allies.Trump's abrupt announcement that he will reduce US troops in Germany by half to 25,000 -- a decision that has brought concern across NATO -- is the culmination of mounting tensions between the leaders of the Western alliance's two most populous nations.Trump called Germany a "delinquent" to NATO -- a reference to its failure to meet a target of spending two percent of GDP on defense -- and said, "they treat us very badly on trade."