Slovak Prime Minister Robert Fico said he would seek to keep his country out of any military conflict arising under NATO’s collective-defense clause, publicly questioning whether Slovakia should send thousands of troops to defend an ally. Speaking to students and hospital employees in the eastern city of Prešov, Fico criticized what he described as increasingly belligerent rhetoric among European leaders and asked whom Europe intended to fight. “For God’s sake, who do we want to fight? With whom?” Fico said during the event, as his Facebook page reposted. Fico did not identify Russia as a potential aggressor or source of...