As oil and gas prices soar, can European countries wean themselves off Russian energy supplies? Boris Johnson has been meeting the Canadian and Dutch prime ministers to talk about more sanctions against Russia and what to do about many European nations’ dependence on Russian hydrocarbons. Adam, Laura and the BBC’s Simon Jack discuss the difficult politics and economics facing western leaders.Also… A new scientific study has found that even a mild infection of Covid could cause your brain to shrink. The BBC’s Rebecca Morelle explains what might be happening.This edition of Newscast was made by Tim Walklate with John Murphy and Natasha Fernandes. The studio manager was Jonathan Greer. The assistant editor was Sam Bonham.