Sixteen and counting?

Today I came across this post on CNN about Michelle and Jim Bob Duggar's sixteenth child. Yes, its not a typo, its their 16th child in 17 years since their first and all conceived on their own. That makes an entire cricket team with stand-ins. I am very sensitive when it comes to matters regarding population. It maybe because I am from India, a country where population explosion has been out of control. In some ways it has been a boon when it comes to BPOs and outsourcing but more often than not, it has been a curse. Millions of people without enough resources to sustain daily life.
Anyways, this is not about India, its about choices people make. I agree, that being someone who would stand for US Senate, Jim Duggar is not short of any resources. I am sure they are able to take very good care of their children. And ofcourse its a free country where people can make whatever choices they want and pursue whatever makes them happy. Population is not a problem in the US, so we don't really need to control it. I am not lobbying to introduce any drastic measures like China(one child policy) or even softer measures like India(Government officials who have more than two kids lose their jobs). But think just once before you decide about having more than a dozen children. Think about those millions of orphans in places like Africa and Asia. They are starving to death and do not have anybody to love them. Their parents have mostly died of deadly diseases like AIDS. Will these children ever get a chance to live a life that we here take for granted? I am sure many of these kids are bright individuals who if given a chance would shine in whatever skills they have a flair for.
Could a resourceful family like the Duggars not adopt half the number of kids they have. They say they love children, then why not adopt some. Why not give a child the chance to the American Dream. I think all those children are God-sent, then why are some left to die of starvation and deadly diseases? It is not necessary to have a cross-country, cross-cultural adoption. There are enough children in this country who would meet any prospective adopters profile.
I did come across the Duggar Family website where they do answer the question, why they have so many kids. The basis are obviously religious and I am no one to oppose that. My only concern is that we as human beings with more brain power have been given this education so as to make sensible decisions. So where do you draw the line?
I really admire Angelina Jolie for this very reason. She just received a humanitarian award from the UN and she does deserve it. At a mere age of 30, she has achieved a lot, the top being a savior to two cute little kids who now have the opportunity for a great life. Yesterday I came across this stupid article about politicians and celebrities exchanging roles which undermines what Angelina has done. What does the writer of the story think about himself. Has he ever done anything close to what celebrities like Jolie, Pitt and Bono have done?
I hope to adopt a child one day. I believe that if I have the power to make atleast one child's life better then I should.