Claims that Gordon Brown bullied Downing Street staff and flew into fits of rage are made in The End of the Party, a new book by the Observer's Andrew Rawnsley. The Tories say Brown's character makes him unfit to be prime minister. Tom Clark, Guardian leader writer and presenter of our Politics Weekly podcast, assesses the damage to Labour.
Health officials are considering a radical shift in the war against HIV/Aids: universal tests for the virus, and a lifetime of medicine for those who test positive. Ian Sample, our science correspondent, reports from the American Association for the Advancement of Science meeting in San Diego.
Saeed Shah, our correspondent in Kabul, explains why Nato is planning to tackle the Taliban in its stronghold of Kandahar this summer.
Fans of Doctor Who will have the chance to bid for monsters, costumes and props used in the TV shows when they are auctioned at Bonhams in Knightsbridge on Wednesday. Andrew Beech from BBC Worldwide tells the Guardian's Sam Jones about some of the highlights of the auction.
