US President Donald Trump's push for Arab nations to take in Palestinians to 'clean out' Gaza could be a genuine suggestion.

He's said Egypt and Jordan should take in Gazans - with the Strip extensively damaged and people dying.

Greg Barton, a noted professor of global Islamic politics, says Trump is 'flying a kite' to see the response, and what he can away with.

"Donald Trump will typically say things that are contradictory - and allow himself plausible deniability, so he can walk his way back from this one, but he's clearly got an interest in seeing if it's got traction."

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