Mitt Romney may be in a decent polling position going into Super Tuesday’s contests, but his viability in the general election is already damaged, according to Democratic super PAC Priorities USA.

A strategy memo by co-founder Bill Burton attributes Romney’slousy national polling, especially bad with independents and working class whites, to a toxic combination of perceptions that he’s an out-of-touch millionaire and policy proposals that reinforce this view.

“Between Cadillacs, NASCAR and $10,000 bets, Romney certainly has done his fair share to demonstrate an inability to understand the economic challenges facing most Americans,” Burton writes. “But more importantly, Americans understand that Romney’s policies would primarily help himself and other extremely wealthy individuals at the expense of the middle class.”

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Concludes Burton: “While Romney seems likely to limp to the Republican nomination with this monopoly on the wealthiest voters, he will enter the general election as a millionaire whose nomination was ensured by millionaires after he promised policies to benefit millionaires.”