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Visit sumup.co.uk to learn more. I'm John Batchelor with Jonathan Healy. His new book is The Blazing World, a new history of

Revolutionary England, 1603 to 1689. It is now time to say the king is dead and not say long live the king.

Parliament has choices to make.

And a man named John Lambert writes, instruments of government, in which, from his understanding of the violence of the age,

he looks to a way of guaranteeing the power of the people through Parliament,

but he names a man Lord Protector, who is Oliver Cromwell.

Thomas Fairfax, the general of the new model army, has stepped away

and will not participate in the parliamentary debates,

but Oliver Cromwell steps forward.

And Jonathan, you write that Cromwell's five years in power,

thanks to Lambert's design, can be regarded as successful,

noting the massacres in Ireland, noting some of the inconsistencies about Cromwell. Is that the opinion of Cromwell here in the

21st century in England, that Cromwell had his weaknesses, but there was strength in his rule?

Well, I mean, there's definitely, I mean, it's hard to argue that there isn't strength. That doesn't

necessarily mean that he's a good thing or anything like that. He, when you consider

what the situation was in 1649, where England had shockingly brutally murdered its monarch,

...