Bloack Box News Today

. at this hour on msnbc, unanswered questions about exactly what happened in mondays tragic school bus crash in tennessee that killed five young children. at least one parent who lost a child told nbc news they had previously filed a complaint about the driver. the driver has been charged with vehicular homicide. the ntsb this morning said the bus had no bloack box but did have cameras they hope will shed light on the accidents cause. a key position for governor nikki haley of south carolina...