We are now left to wonder whether the publicly-advertised trials of GM crops were only a smokescreen to divert attention away from the real, clandestine experiments.
Hague last night insisted that he would not be silenced by accusations of racism, which he said were designed as a smokescreen to hide Labour's problems over asylum.
They thought that it was a smokescreen to disguise the movement forwards of German troops.
Jimmy reckons that the Charlie denials are a smokescreen - distracting from the actual real rumour.
Gardai claim that a proposed marriage between a Corkman and a Romanian girl charged in a credit card scam is only a smokescreen to obtain a residency permit.
I do find, because I work alongside lots of other artists and producers, that pretense could be a smokescreen for insecurity.
Many people in York suspect the vagueness the company expresses about its intentions could be a smokescreen .
Not playing bilateral cricket is a smokescreen used to evade the real issues.
Why don't you spend your valuable time actually answering Blair's accusation, or is this a nice little smokescreen to disguise the fact that you haven't got a leg to stand on?
Many on the left see moral arguments as a smokescreen over the real conflict - the struggle over who gets what.