What don't we know about Donald Trump's health?

Donald Trump has spent more than three hours in hospital. A scheduled medical check-up.

But - as the president nears 80, speculation has reignited over his health.

Meanwhile, it's been a fortnight since we were in Memphis - but the race to redistrict goes on across the country.

There are new hitches in Trump's plan to carve out more Republican seats.

Plus: the US conducted "self-defence strikes" in Iran on Monday, just a day after we were told an agreement was about to be reached. What's going on?

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