KANSAS CITY, Mo. — In May 2019, a 911 operator answered a call coming from former Gov. Eric Greitens’ lakeside home in eastern Missouri. Twenty-nine seconds of near-silence followed. The call came almost a year after Greitens resigned in scandal, accused of sexually assaulting and blackmailing his former hairdresser. He had disappeared from public view, apparently retreating much of the time to the home in Innsbrook, a wealthy and primarily gated community. The 911 operator quickly called back. Greitens, answering the phone, apologized and assured her everything was fine. “It was kids playing …