When George W Bush declared war on an abstract noun – "Terror" – he was widely and inevitably mocked by the left for his foolishness. Not to be outdone, Barack Obama has used his second inaugural address to declare war on an even more nebulous threat to the security of the world: reality, itself. Here's how he put it in his inaugural address: (H/T Theo Spleenventer; Bishop Hill) We will respond to the threat of climate change, knowing that the failure to do so would betray our children and future generations. Some may still deny the overwhelming judgment of science,...