Key instructions of a possible strategy by the establishment mechanisms hierarchy
Plan A: knowing Hillary Clinton's bad shape and popularity due to wars, scandals and corruption, start promoting the false alternative Donald Trump against the real alternative Bernie Sanders.
Plan B: if Sanders' popularity remains dangerously high, start a war from inside the DNC to eliminate him in the primaries.
Plan C (probably the most difficult): if plan B doesn't work, keep balances. Superficially continue to fight Trump while at the same time promote him behind the scenes and use full force of the mainstream media to discredit Sanders even more, making him appear as a 'non-serious' solution for the country.
Plan D: if plan C doesn't work use the full force of the US deep state against the new president, Bernie Sanders, to force him obey, as much as possible, to the establishment agenda.
In the end, the establishment didn't have to go further than Plan B ...