this from the Jerusalem Post
Expert: US rejection of red line... JPost - Iranian Threat - News would rather suggest theres too much of a gap between Israel and the O'bama administration for a combined attack to happen at present.
However of course it could be part of an elaborate plot to give the USA plausible deniability in the event of a raid.
SAM - what sort of timescale were you thinking of? "Imminent" is one of those variable terms that means different things to different people. I think most others assume you mean the next couple of weeks - is that your intention?