President Bush's ex-spokesman invoked the Fifth Amendment when asked in front of a grand jury about the illegal outing of spy Valerie Plame, prosecutors revealed this week. Former White House spokesman Ari Fleischer sought and received immunity from prosecution for unmasking the secret agent. Armed with this immunity, Fleischer is now expected to testify Monday in the perjury trial of Lewis (Scooter) Libby. Fleischer is expected to tell the court that Libby, formerly Vice President Cheney's top adviser, told him on July 7, 2003, that "he had some information that was hush-hush," said special counsel Patrick Fitzgerald. What was hush-hush...