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Unrelated to the concerns over nuclear devices , Homeland Security chief Tom Ridge issued the third warning since September 11 of possible terrorist attacks , warning Americans to " be on the alert . Involving , and organizing within , local communities is therefore vital to empowering Americans to get more of what matters . When foreign investment increases our productive capacity , our economy can grow faster , enabling Americans to pay off any debts incurred . The President 's initiative on health care is aimed at making health care more accessible , affordable and portable , thus better enabling Americans to obtain health care and to retain their health care when they change employment . On Tuesday , the US State Department revised its existing travel warning to East Timor , warning Americans to exercise " extreme caution " in public places such as clubs , restaurants , resorts and places of worship in the tiny country . The Continental Congress responded by issuing " letters of marque and reprisal " , permitting Americans to arm private ships for attacking and seizing British vessels and cargoes at sea . Abundant evidence also demonstrates that government schools , along with the news media , are immunizing Americans to facts and standards .