Jack Fairweather's new book argues the war could turn out to be the defining tragedy of the 21st century.
By the end of this decade, estimates are that 60,000 or more elderly people will be homeless.
Life on the streets is particularly hard on older women who have more health problems and are very physically vulnerable.
With more and more older women facing economic instability, we ask: What should be done with an older woman who can’t afford a home of her own?
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