The Washington Post mounts its editorial high horse to denounce those who use Senator Obama's middle name "Hussein" when mentioning him. IT'S BECOME a fad among some conservatives to refer to the junior senator from Illinois by his full name: Barack Hussein Obama. This would be merely juvenile if it weren't so contemptible. "Barack Hussein Obama" is apparently taboo in their editorial stylebook, though I seem to remember John Fitzgerald Kennedy and Hillary Rodham Clinton being printed with some frequency. Lyndon Baines Johnson, anyone? It seems to me that middle names have become a rather prominent part of presidential nomenclature....