Scottish independence is a little more likely today than it was yesterday
The argument about Scottish independence which, it should be said, is not a new one is best understood in terms of the Overton Window. James Overton, an American political scientist, suggested that the general public is only prepared to contemplate a relatively narrow range of political opinions and policies. Those that fall outwith this window of plausibility are discounted; the task for politicians and other advocates is to shift the window so that ideas once considered heretical now appear orthodox common-sense. Overton suggested there were six phases to this process. A idea would move from being unthinkable to radical to acceptable to sensible to popular before, finally, becoming policy. Scottish