STS-131 Launch http://www.youtube.com/watch?v=vREj3yf8bW8 http://www.youtube.com/watch?v=n7PnbewktrU RussiaToday Studio, Moscowustream http://www.ustream.tv/spacevidcast#utm_campaign HD http://www.ustream.tv/channel/spacevidcasthd#utm_camp…