James Oliphant

Twittering is all the rage on Capitol Hill, with politicians sending their followers short messages. In Hollywood, celebrities using the blogging site to mold their online image might help the service hit the mainstream.

Rolling back Bush's counter-terrorism policies is a priority, as are closing the Guantanamo prison, stopping military tribunals and curtailing domestic surveillance. Tempering President-elect Obama's desire to close the book on an administration that has been accused of violating domestic and international law will be the need to ensure the nation remains protected.