I used to think Boris Johnson could get a Brexit deal. Not after last week | Simon Jenkins

Under the spell of Dominic Cummings, he offers only robotic slogans. Now, like his predecessor, he may fail to leave the EU

I cannot recall a more critical week in British politics. It will decide whether parliament, the law and public opinion can hold the prime minister, Boris Johnson, to account, or whether a new poison has entered public life. We need constantly to remember that Britain faces no menace to its security or prosperity. It could by now be outside the EU with agreed terms of tra...