I woke this morning to the news that Barack Obama, the subject of my column this morning, is having yet another tiff with Hillary Clinton, this time over the issue of whether or when to use nuclear weapons in the Middle East. Obama is saying “Never,” but Hillary — just as she did on the neogotiations with Iran, Syria, etc. question — is saying “Never say never.” While the War Wall Street Journal is now hailing Obama as a neocon for his let’s-invade-Pakistan stance, it looks like the race to see who among the Democratic front-runners is the most neoconnish is on…..