The White House certainly doesn't make suing George W. Bush a cakewalk. A lawyer challenging Bush's warrantless surveillance program darkly recounted on Salon the extreme lengths the government went to to ensure watertight secrecy in the case.
The Salon article is well worth reading, as this NSA oddity I unearthed recently while fact-checking.
The National Security Agency, apparently feeling the heat from a citizenry up in arms over their wiretapping program, released a factsheet in 2006 to clear some things up with the American public. The actual title:
"The NSA Program to Detect and Prevent Terrorist Attacks: Myth v Reality."
Some examples of those myths:
"The NSA program is illegal."
"It has long been recognized that the President has inherent authority to conduct warrantless surveillance to gather foreign intelligence even in peacetime."