In recent days, Senator Elizabeth Warren of Massachusetts has offered herself as the great progressive hope of the Democratic Party by calling out Citigroup on the Senate floor and saying that the government is setting itself up for more bailouts of big banks that will rob the middle class. Lionized by MSNBC and TPM and NPR, while refusing to rule out a presidential run, Warren has plainly made the calculation that she has a lot to gain by alienating a key donor class, the financial industry; Chris Matthews says she has set herself up to run for the party’s progressive base against Hillary Clinton in 2016.