KANSAS CITY, Mo. — On Thursday, the Chiefs lost one member of their coaching staff. They could lose another before the offseason coaching carousel comes to a stop. Offensive coordinator Eric Bieniemy’s four-year interview tour will reach New Orleans for the Saints’ head coaching vacancy, a source confirmed to The Kansas City Star. Per ESPN, that interview could take place Saturday. The Saints have announced previous interviews with Doug Pederson (another former Reid assistant), Brian Flores and Aaron Glenn, though the Jaguars hired Pederson as their next head coach on Thursday. Also on Thursda…