The latest developments from Stan Kroenke’s homeland illustrate why some Arsenal fans are wary about their owners’ long-term for the club. Kroenke’s KSE group took control of Arsenal in 2011 and is now the second-most valuable sports group in the world. The Missouri-born billionaire would already be able to secure a huge return on the cash has invested in the club if he was to put it up for sale tomorrow. However, Kroenke insists that he is committed to Arsenal for the long term, although he has delegated operational responsibility to his son, Josh Kroenke, in recent years. The 76-year-old’s s…