Immigration Measure in Doubt Over Senate Defections  —  The fate of U.S. immigration legislation was cast into doubt when at least six senators who helped revive the proposed overhaul said they either oppose or are leaning against a move to permit a vote on final passage.

Immigration bill struggling  —  Proponents of the Senate immigration bill were unable to block an amendment Wednesday on identification requirements, casting doubt on whether the overall measure will clear a crucial test vote set for Thursday morning.  —  The bill survived its first cloture motion Tuesday by a vote of 64 to 35.

New Senators Resist Overhaul of Immigration  —  In narrowly winning her seat last year, Senator Claire McCaskill of Missouri ran hard against what she saw as a flawed approach in Congress to dealing with illegal immigration.  Ms. McCaskill, a Democratic newcomer, says she is not about to change her view now.

Senate Immigration Reform Bill Takes Step Toward the Grave  —  WASHINGTON — The fragile immigration reform bill crafted in the Senate faces sudden death Thursday when a second vote is scheduled to shut down a filibuster.  —  If supporters don't get the 60 votes they need to end debate …

Cheney and the National Security Secrets Fraud  —  Aristotle, writing in his Politics, spends a good bit of papyrus on the question of tyranny.  What exactly makes a leader a tyrant, he asks.  And right at the core of that discussion, he comes to the role of secrets.