Is manned spaceflight worth the risk and money?

To the editor: We should review whether we want to continue wasting money transporting people to the International Space Station. ("NASA contracts with SpaceX and Boeing for space transport," Sept. 16) A separate article describes the inadequacy of funding for NASA's program to to track asteroids and other objects that could potentially collide with Earth. This program has enormous value. We are misallocating our limited space budget. Al Barrett, Santa Monica Follow the Opinion section on Twitter @latimesopinion