The Space Boffins meet the Mercury 7 nurse, Dee O'Hara, recalling what it was like to work with America's first astronauts. SETI's Seth Shostak explains why we should target AI to discover ET, and - in this US themed podcast - Spaceflight's David Baker reveals what role space plays in the forthcoming presidential elections. Studio guest is astronomy writer, novelist and broadcaster Dr Stuart Clark. Like this podcast? Please help us by supporting the Naked Scientists