President Obama and David Letterman
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Obama chides Romney on Letterman over secret tape remarks

19 September 2012 Last updated at 06:34 BST

US President Barack Obama has rebuked Republican rival Mitt Romney, saying that anyone seeking to be president needs to work for all Americans.

Mr Obama told chat show host David Letterman Mr Romney was wrong to describe 47% of Americans as "victims".

Earlier, Mr Romney defended his remarks on Fox News after secretly filmed video of a speech to donors became public.

Jane Little reports.