Administration Defense of Domestic Spying Dominates Debate
New York Times: Bush Presses On in Legal Defense for Wiretapping
"Despite the administration's arguments, many legal scholars — both conservatives and liberals — say they remain skeptical about Mr. Bush's assertion that the Constitution and a September 2001 authorization to use military force provided legal justification for wiretapping phone calls and e-mail messages on American soil without a warrant."
Related references:
A Legal Defense of Russell Tice, the Whistleblower who Revealed the President's Authorization of NSA's Warrantless Domestic Wiretapping
Washington Post via MSNBC, Eavesdropping bill was abandoned in 2003 - Critics say revelation undermines Bush’s claim that spy program is legal
AP: Q&A on Domestic Spying Program
Postings on domestic surveillance