Bill and Melinda Gates used their 10th annual letter to answer tough questions about their work at the Bill and Melinda Gates Foundation - and to defend funding for health work and global aid, just a day after President Donald Trump's budget proposed slashing resources to these areas.
We've picked four of Melinda and Bill's answers to these questions that are most pertinent to the readers of StartupSmart and SmartCompany.
The annual letter from Bill and Melinda Gates usually paints a rosy view, with carefully curated success stories from the battle against global disease and poverty, and praise for new technologies backed by the Gates Foundation.
The administration's policies affect our foundation's work in a number of areas.
The answer is that we think there's always going to be a unique role for foundations. She said the Trump administration's decision previous year to expand a ban prohibiting USA aid to any health organisations that provide or discuss abortion in family planning had caused "chaos" in the field - forcing them to stall their work as they figured out how to adhere to the rules. Do we really understand people's needs?
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Palestinian President Mehmoud Abbas had condemned the move, saying it disqualified the U.S. from playing the role of arbiter. A major acknowledging statement on Israel-Palestine crisis has emerged from White House.
"Those disparaging comments don't belong in any public discourse", said Melinda Gates during a recent joint interview with her husband.
Questions range from the political to the personal, including,"Are you imposing your values on other cultures?" and, "What do you have to show for the billions you've spent on USA education?"
But for this year, the co-founders of the world's richest philanthropy have instead opted to answer a selection of critical and skeptical questions about the foundation's work and the power it wields. That reflects the foundation's conviction that it can save more lives in poorer countries, where investments in simple solutions like vaccines can have big payoffs.
Melinda also adds that they work with thousands of partners who keep them "connected to the people we're trying to help". If we think it's unfair that we have so much wealth, why don't we give it all to the government? "If the US cuts back on its investments overseas", Gates wrote, "people in other countries will die, and Americans will be worse off". Bill said, adding "We are partners in both senses that people use the word these days: at home and at work".
What happens when the two of you disagree? "Budgets are a reflection of our priorities", she wrote in a statement.
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In a tweet, she said: "All I can tell you about this bad revelation about Oxfam is that I am devastated". Delahanty said in an interview.
"The other reason is that we have fun doing it".
We both come from families that believed in leaving the world better than you found it.
When we got to know Warren Buffett, we discovered that he was steeped in those same values, even though he grew up in a different place and at a different time.
And on their motivations for giving away their vast sums of cash to charitable causes, the pair said it was a "basic responsibility of anyone with a lot of money".
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The 17 year old , who recently celebrated her birthday behind bars, will remain under administrative detention in Israeli prison. She is charged with 12 offences, including assaulting security forces and incitement to violence and faces a lengthy jail term.