It takes something for journalists who exist on a daily diet of murder and mayhem to be moved to make the public displays of solidarity we saw throughout the UK yesterday.

Holding pens aloft in a silent show of defiance at 11am the message was simply: Je suis Charlie.

Yet no matter how heartfelt that sentiment, the elephant in the room remains the fact that the self-censorship prompted by the extremists who murdered nine editorial staff, one worker and two police on Tuesday at the Charlie Hebdo office continues.