Trump's NATO jibe won't be a surprise for Europe — but it could spell a reckoning

LONDON — Top European officials say they are alarmed at Donald Trump saying he would not necessarily protect NATO allies — but the former president’s words will not have come as a surprise. In fact, many staunch Trump critics agree with his central point, that members of the military alliance set up in the wake of World War II to defend against the then-Soviet Union need to up their defense spending. Now, Europe must make a decision, according to some experts: Hope American protection endures, or bolster its own withered...