Ex-employees said they believed messages were reviewed to monitor their activities or to assess their loyalty.
OVERSIGHT - ALL ARTICLES
President signs one-week extension of existing CR, buying lawmakers more time.
Senate leaders are struggling to devise a strategy for moving legislation that would overhaul FISA.
Budget number is limited to Bush's $932.8 billion request and $3.7 billion for the Veterans Affairs Department.
Bill will now move to the full House for consideration.
New positions would carry five-year terms; Bush administration management chief says they aren't necessary.
But Bush administration is withholding its endorsement of the measure until details become available.
Congressional Budget Office says massive increases in projected health care costs hurt long-range outlook.
Measure would fund 15 Cabinet agencies and provide interim financing for the Pentagon and other emergency needs.
Senate Intelligence Committee chair plans to call agency's inspector general and top lawyer to testify next week.