President Trump's proposed cut to the defense budget -- and other discretionary spending -- is necessary to address the skyrocketing deficit, according to national security adviser John Bolton, who said the Pentagon can weather the downturn if it spends its funds more wisely. "It is a fact that when your national debt gets to the level that ours is, that it constitutes an existential threat to the society," he said Oct. 31 at the Alexander Hamilton Institute in Washington. GOP-backed...