Interview with Lord Snowdon in the Guardian today here includes this bit: <<I'm staring at the photograph of Margaret. She looks so mellow, I say, it's hard to believe she was so fiery. Snowdon asks me what I mean. Well, I say, their relationship was famously intense - didn't Lord Lichfield say that when they argued, it was like an exchange of gunfire? Snowdon explodes. "Well, Lichfield would know fuck all about it, so you can tell him to piss orf.">>