The Cable  Pentagon: Obama's nuke strategy delayed  The Obama
administration's rollout of its new nuclear strategy will be
delayed until March, the Pentagon told Congress last week.  The
notification came in the form of a letter from Principal Deputy
Undersecretary of Defense for Policy James Miller to Sens. Carl
Levin and John McCain, chairman and ranking Republican on the
Senate Armed Services committee, respectively. The letter,
obtained by The Cable, said that the new strategy, known as the
Nuclear Posture Review, will be delivered to Congress on March
1, not Feb. 1 as was previously planned.  The announcement comes
amid reports that the NPR is mired in an internal administration
debate over some key issues, such as whether or not to abandon a
"first use" policy, how many nuclear weapons are needed for
whatever missions the NPR identifies as crucial, and how far the
review will go toward advancing President Obama's stated goal of
a future world free of nuclear weapons.  But arms-control
advocates see the