LONDON — After months of upheaval, Britain is relying on predictable and time-honored traditions Tuesday as power and an abundance of economic and political problems are transferred from Prime Minister Boris Johnson to Prime Minister Liz Truss.
Live updates: Liz Truss succeeds Boris Johnson as U.K. prime minister

Here’s how the day is unfolding
What to know about Liz Truss | The first U.K. Cabinet without a White man in high office | The other @LizTruss
Quiz: Boris Johnson did WHAT?
Boris Johnson leaves behind a tumultuous tenure as British prime minister, with a series of scandals in his wake. But how familiar are you with his habit of saying and doing the wrong thing? What did he do to avoid a media interview in 2019? In what was accused of plagiarism?