Microsoft will be hitting the aspirin, trying to clear the regulatory headaches related to its attempted purchase of Activision Blizzard. The EU has now given the deal the green light, but the UK’s Competition and Markets Authority has upset the apple cart, and blocked the deal. That UK decision has baffled industry watchers. The CMA is a quasi-independent organization, although its leadership is appointed by the UK Business Secretary – as well as its entire budget. Members of the current Conservative government have asked what the CMA’s decision means for companies looking to invest in the country, and the government does appear to have the ability to directly intervene and reverse CMA decisions, if needed. The UK’s economy has underperformed…