No, not a scenario, It's called history. If you don't study it, you might get to do it all over again.
/johnny
Ah. So it will be biden who calls in the death squads? or Gov. Palin? Mr. Cain? Mr. Pawlenty? Mr. RINO Romney?
History CAN repeat, but will it? What indicators point to a impending killing of 30+ million Americans (it will have to be 200 for the Victory Garden strategy to work) and the OP's stated collapse to which we should all completely change our lives?
What is the scenario that makes you wish to have everyone create a garden to survive from and do so many other things to survive the collapse? What will cause the collapse? What will kill all those people?