Donald Trump's suit against Rupert Murdoch is extraordinary. NPR's David Folkenflik tells me whether it's likely to be successful.

ANALYSIS: Could it be that the 94-year-old conservative media mogul and Fox News founder will be the unlikely savior of press freedoms amid Trump’s all-out war on the media, Justin Baragona asks.

If Rupert Murdoch becomes a white knight standing up to a rampantly bullying US president, the world has moved into the upside-down. This is, after all, the media mogul whose US television network, Fox News,