There too far many problems to take care of at home first before we can even think of extra-solar explorations. Not the least of which is the current socio-political situations already mentioned.
Exactly. What about with global warming, hunger crises, overpopulation, slavery, poverty, warfare, torture, and so on? Is is ethically right to neglect these because we want to see if we can travel faster than light?
has a nice little counter that shows how much the 300+ billion USD spent messing up Iraq could've done for things such as fighting world hunger. And believe me, landing on Mars or building a base on the Moon is going to cost far, far more than Iraq ever will.