Obamacare is, at its core, Romneycare taken nationally. Why isn’t Mitt Romney shouting this from the roof tops; taking credit where credit’s due, for a very successful health care plan in Massachusetts? Johnny-come-lately Obamacare is just a model of Romney’s plan. Wait, maybe Mitt has flipped and flopped so many times he does not remember he created Romneycare with its “individual mandate” that conservatives so love. Ron Lowe Nevada City …