The editor of The Guardian has had a tip-off which, if true, is huge: that the cabinet minister Jonathan Aitken is accepting money from senior Saudis. He’s been trying to nail down the story for a month but with no luck. Then one day, he has an idea: call David Leigh, an investigative journalist who MPs with something to hide have learned to fear. Maybe David can find the smoking gun? See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.