So it seems the cabinet has agreed a backstop for the Irish border. Quoting the BBC website:

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Brexiteers fear the proposal amounts to staying in the customs union longer.

But No 10 insists this is not the case - saying the UK would still be able to sign and implement trade deals, and the measure would only last for a matter of months

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Madness. The EU wants no hard border. Who imagines a proposal that "Will only last for a matter of months" is going to be acceptable?