A Jackson County man already convicted in Missouri for murder has pleaded guilty to a new federal charge for interstate domestic violence — and the combined prison sentences will likely ensure that James Clay Waller II stays behind bars for the rest of his life.
Waller's victim was his soon-to-be ex-wife, Jacque Sue Waller, a 39-year-old mother of triplets who had hoped to start a new, post-marriage life far away from a man who prosecutors would later call a "dangerous, sociopathic and narcissistic murderer."…