Article Dig In The Air Force general charged with protecting America's air space from hostile threats acknowledged Monday that the U.S. military failed to detect some previous incursions by Chinese spy balloons, calling it a troubling "awareness gap" that needed fixing. "We had gaps on prior balloons," Air Force Gen. Glen VanHerck told reporters. The comment by the North American Aerospace Defense Command commander both raised concern about NORAD's vaunted ability to detect airspace threats and also undercut a bungled weekend effort by the Biden administration to try to suggest former President Donald Trump failed to react to three incursions...