Mitt Romney - the man behind the perma-smile
Mega-rich, Mormon, chilly and ruthless – Mitt Romney may emerge as the Republicans’ candidate to take on Barack Obama, but he has a good few obstacles to get over first. Read this profile by Ed Pilkington
A selection of stories, photos, quotes, video and audio from guardian.co.uk, curated by Stephen Abbott, Laura Oliver, James Walsh, Hannah Waldram and the Guardian's editorial team
Mars Rover Snaps Stunning Self-Portrait
NASA put together this artsy image of Mars rover Opportunity getting a glimpse of its own shadow on the...
