Trump administration to end European security programs focused on Russia

The decision, affecting hundreds of millions of dollars in U.S. military aid, has alarmed NATO allies and upset U.S. lawmakers who strongly back the alliance.The Trump administration intends to halt longtime security assistance programs for Europe, including an initiative to fortify the continent’s eastern flank against a potential attack by Russia, as it endeavors to recast Washington’s role within NATO, according to six people familiar with the matter.The decision would impact hundreds of millions of dollars worth of military aid relied upon by some of the alliance’s most vulnerable members. It has alarmed U.S. allies struggling to comprehend the administration’s...