DHS Secretary Michael Chertoff takes revamp plan to the Hill, but some lawmakers come out swinging with criticisms.
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Cost estimates for move as high as $25 billion.
Lawmakers concerned that repeated issues with key space programs are sign of larger problems with the Pentagon's weapons-buying practices.
Bills would revamp visa program, as well as enhance enforcement and border security.
Lawmakers from "higher-risk" urban areas look to get changes more favorable to them into the conference report.
Job would become a cabinet-level position.
Rules still slated to go into effect Aug. 1; some top-level positions would receive title, pay changes.
TSA, ICE and CPB chiefs would report directly to secretary under reorganization.
Undersecretary for Management Janet Hale will keep her position.
Two senators have offered legislation to revamp the spending formula as an amendment to the fiscal 2006 Homeland Security appropriations measure.