Why did Bush abolish information sharing?

http://www.onlinejournal.com/Special_Reports/080203Burns/080203burns.html
Why did Bush abolish information sharing and route all national security information to him, via Condoleezza Rice?

By Margie Burns

Online Journal Contributing Writer
August 2, 2003?On February 13, 2001, George W. Bush, three weeks in the Oval Office, issued his first official White House document pertaining to national security. The document, called the National Security Presidential Directive (NSPD), partly reorganized the National Security Council that was established by President Truman in 1947 and put into the Executive branch in 1949.

Bush's NSPD memorandum is addressed to all members of the Cabinet, several economic advisors, White House personnel, the Joint Chiefs of Staff, and some officials concerned with security?41 people in all with the vice president at the top of the list.

SUBJECT: Organization of the National Security Council System:
This document is the first in a series of National Security Presidential Directives. National Security Presidential Directives shall replace both Presidential Decision Directives and Presidential Review Directives as an instrument for communicating presidential decisions about the national security policies of the United States.
...more..

To set her up as a fall guy, right?

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There is an irony, however, in hearing the consensus expressed by those who issued the 9–11 report on national security, that a large problem was lack of information sharing or coordination among key agencies. How could the White House ever have thought that abolishing the inter-agency work groups was a good idea if security was the objective? Why was so much responsibility placed on the shoulders of one person, Condoleezza Rice, whose previous experience had been at Stanford University and Chevron Oil? Why was national security blended with commerce?

Above all, why was virtually total control of national security taken over by a politically-preoccupied White House?

(The "Presidential Review Directive (PRD)" series was the mechanism used by the Clinton administration to direct that specific reviews and analyses be undertaken by departments and agencies, and the "Presidential Decision Directive (PDD)" series promulgated presidential decisions on national security. The new NSPD combined the two.)
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:kick:

How could they have no known about the Niger document and other scandals they denied?