Former US president Jimmy Carter is out of hospital after being treated for dehydration, a spokeswoman has said.

Only the ‘great and the good’, like Mary Robinson and Jimmy Carter, are considered useful in their later years. Everyone else is made obsolete at an age when they may have another 20 years or more to live, writes Caroline O’Doherty

US presidents vary between authoritarian figures and nappy changers, writes Olivia Kelleher