Destroyed communications network made it hard to create a centralized command center.
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Procurement policy chief David Safavian, who quit on Friday, is charged with making false statements and obstructing justice in regard to previous service at GSA.
Administrative expenses are low and getting lower.
Officials try to squelch slow response complaints.
About one-fourth of the agency's offices may be shuttered.
Congress not expected to reject independent commission's recomendations.