EghtesadOnline: Donald Trump escalated his remarks about the U.S. nuclear arsenal on Friday, telling a television host off-air that he isn’t concerned about triggering an arms race with Russia or other adversaries, a day after a tweet that appeared to reset the nation’s posture on atomic weapons.

EghtesadOnline: U.S. President-elect Donald Trump sowed more doubt about his position on nuclear proliferation on Friday, reportedly welcoming an arms race even as his spokesman insisted that an atomic weapons build-up was not likely to happen.