SummaryNew FEMA head says all decisions must now go through himRichardson says he will 'run right over' anyone who resists changes to the agencyRichardson says will look at increasing costs borne by states hit by disasters as FEMA narrows missionWASHINGTON, May 9 (Reuters) - David Richardson, the new head of the Federal Emergency Management Agency, told staff on Friday he will "run right over" anyone that resists changes and that all delegation of authority in the agency is immediately suspended.Richardson spoke one day after he was appointed to replace acting FEMA chief Cameron Hamilton, who was ousted by Department of...