Why the dangerous close calls between U.S. and Chinese military? Washington — Cuba may allow China to establish a facility on its territory capable of conducting electronic surveillance on the United States, CBS News has confirmed, a plan that would add notable strain to already tense relations between Washington and Beijing. While China and the U.S. routinely surveil each other — and others — using satellites, overhead flights and other means, a Chinese outpost positioned roughly 100 miles from the Florida coast would undoubtedly inflame sensitivities that were already stoked by the U.S. military shootdown of a Chinese surveillance balloon...