Aristotle believed that if a rhetorician’s actions didn’t support their words, they would lose credibility

Not to do so would be an insult to the public and the ideal of evidence-based policymaking

The strategist was arrogant enough to lash out at others but the central facts of his case are damning

From drug-dealer dress to shutting down parliament, his contempt for the old ways helped him navigate the baffling and boring crisis of Brexit. But this time we really care—and No 10 will pay a price for his disdain

Either Cummings or No 10 is guilty of gross misjudgment

Cummings’s presence raises questions about the integrity of government decisions—and its other scientific advisers

A power-hungry prime minister removes yet another check on his rule. It is theatre worthy of Trump. But the history books suggest he could soon pay a price

The controversial adviser is launching a military plan of campaign to reshape how government works. But his interventions could simply make things worse

The controversial adviser’s belief that mathematical wizards can transform public policy is a tad optimistic

The Conservatives enjoyed themselves in Manchester, but there was anger beneath the jolly veneer

For Leavers, a trade deal with America is the holy grail. But senators on both sides of the house say they will refuse to back it if the Good Friday Agreement is threatened

The last thing Boris Johnson wants is a no-deal Brexit in the middle of an election