‘Volcanic temper… suspicious of everyone… irritability, mood swings… terror stalking the shadows… devastating collapse of Europe’s economy… rampant insecurity, unbridled hypochondria…’ Trump? No, it’s Henry VIII, according to Robert Hutchinson. But the ‘king’ across the water is uncannily like the Tudor tyrant; the discarded wives, the wenching, the rival heirs, the fawning, the flattery, the broken treaties.