Presidents Obama , Carter both elected at a time when voters expected change . Analyst : Carter comparison shows how expectations have changed since Carter 's election . `` He ended his presidency , of course , holed up in the White House as a virtual captive himself of the Iranian hostage takers , '' Langston said . Obama , Reagan faced similar problems but approached them differently , Reagan aide says . Obama should worry about who he is , not who he might be , economist David Smith says .
Presidents Obama , Carter both elected at a time when voters expected change . Analyst : Carter comparison shows how expectations have changed since Carter 's election . Obama , Reagan faced similar problems but approached them differently , Reagan aide says . Obama should worry about who he is , not who he might be , economist David Smith says .