'Star Trek's LeVar Burton Defends Space Exploration After Astronaut Drama

'Star Trek's LeVar Burton Defends Space Exploration After Astronaut Drama

"Star Trek" star LeVar Burton is shutting down speculation there were not enough safety precautions in place for the mission that left astronauts Sunita "Suni" Williams and Barry "Butch" Wilmore stuck in space ... clarifying these pros knew the risks.