A 5 O’Clock Shuttle to Mars?

<p>Diana Trujillo, a NASA flight director, discusses the future of space travel and the search for signs of life on the red planet.</p><p>You can find transcripts (posted midday) and more information for all episodes at <a href="http://nytimes.com/sway" target="_blank"><strong>nytimes.com/sway</strong></a>, and you can find Kara on Twitter <a href="https://twitter.com/karaswisher" target="_blank"><strong>@karaswisher</strong></a>.</p>