Impossible to pull off, anyway, far too many would have to be in on such a pact. It would be common knowledge, hence neutralized by the MSM.
Remember, as far as the Democrat Party is concerned, the cure for liberalism's failures is invariably more liberalism!
E.g., ObamaCare falls flat on its face? Does this mean we need a free-market approach? Of course not! The 'tards will argue (and the MSM will back them up) that it's the fault of the evil greedy capitalist doctors and insurance companies, and the remedy is Single Payer, just as the Hildebeest wanted way back when!
Losing in 2016 is just another step towards Argentina or Venezuela.