There has been a lot of chatter about changes in the works in the wealth-management and private-banking segment of JPMorgan Chase & Co.'s Louisville operation. I reached a company spokesman, and he didn't do much to clear things up. "We announced yesterday that we are changing the way we are covering some of the market, no different than the framework that’s been in place forever, but it does impact some people on the ground," said Jeffrey Lyttle, senior vice president and head of community engagement…