One of the most chilling moments so far in the Snowden saga was when Glenn Greenwald's partner David Miranda was held and interrogated for nine hours at London's Heathrow airport by the UK authorities, in a series of moves worthy of a tinpot dictatorship. And in case you thought that was a one-off, they've done it again -- this time, to Jesselyn Radack, a lawyer who represents Snowden and has spoken on his behalf several times. Here's what happened....