Sarah Palin on her own online TV channel
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Former Alaska governor Sarah Palin launches online channel

29 July 2014 Last updated at 07:42 BST

Sarah Palin, the former governor of Alaska and 2008 US vice-presidential candidate, has launched a subscription-based online television channel.

It features a countdown to the end of Barack Obama's presidency and promises to go ''beyond the soundbites'' of mainstream media.

Tom Spender reports.