Those that ignore history are doomed to repeat it.
No, the only chance we have for electoral victory is to convert Republicans who will be voting / caucusing in the primaries this upcoming cycle.
If we identify them, segment them based upon which issues are important to them, and then target them with issue specific information, then yes we can win this thing.
So have you gone door-to-door to every likely Republican voter in your precinct yet? How many phone calls have you made from the campaign's phone-from-home system?