The flow of families with children and unaccompanied minors has been dominating the news recently. The causes of the trend are beginning to be explored with some care and insight by the media after at first relying on, I hate to say it, the imbecilic conspiracy theories of Texas Governor Rick Perry (I hate to say imbecilic theories, so, Rick Perry fans, I have not said his theories are imbecilic) and the Republican Party’s blame President Obama answer to any…