Why are we sending man to mars when there are millions without food and water?

there no manned mission mars scheduled now. nasa $20 billion or year frankly think idiotic single out spending on space waste or tremendous drain on our resources leading hunger. americans spend on $100 billion year on alcohol, drugs , tobacco--why not blame that?? or half trillion or wasted on iraq invasion??

i understand, people work hard become astronauts , have job do, , need make discoveries, there millions of people in india in shanty towns, , starving, sick, thin children in africa, , millions of poor people, homeless people in america.

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