GEORGETOWN, Guyana -- Embattled....Bernard Kerik has withdrawn from contracts to advise two Caribbean governments on security because of his unresolved legal troubles......President Bharrat Jagdeo announced... Kerik was canceling commitments to Guyana and Trinidad......Kerik did not want either country "tainted" by allegations of ethics violations. Copyright 2007 Associated Press. All rights reserved. This material may not be published, broadcast, rewritten, or redistributed.