The United States Bowling Congress announced Friday morning that it was ending its USBC Mixed Championships. In a Tweet, USBC said: "USBC will discontinue the USBC Mixed tournament. Those registered for the 2017 event will be contacted and provided a refund." I contacted USBC and it said there would be no news release or comment on the decision. Update: Kent Lowe, who covers bowling for The Advocate in Baton Rouge, did report that Jason Overstreet, deputy executive director of USBC, sent him...