Later today the FCC will either have voted in a new set of set top leasing regulations or it will have been defeated, so anything we say will be overtaken by events. But it is worth making a few points, as many voices have been raised this week on both sides of the argument. If the FCC insists that MVPDs open their networks to pretty much any new device, there will be a legal push back. There are genuine issues of security, which these days goes right down to which security platforms are supported in silicon on Broadcom and other chips, and there is the potential for savage unintended consequences and legal actions galore. If you turn the US set…