Texas Sen. Ted Cruz supports NASA's human space exploration program as a national priority that deserves congressional support. USA Today reports if NASA's program goes as planned, astronauts could travel to Mars by the 2030s. Cruz, a Tea Party Republican, said developing a rocket and capsule that could cost tens of billions of dollars is "critical" to ensuring American's leadership in space. "It is imperative that America has the capability to get to the space station without the assistance of the Russians," Cruz said Tuesday while chairing a hearing before the Commerce, Science and Transportation Subcommittee on Science, Space and Competitiveness. "The Commercial...