Evan Bayh of Indiana, a former head of the moderate Democratic Leadership Council, appearing at an anti-Wal-Mart rally on Tuesday.

FORBES: Democrats' War On Wal-Mart

Wealthy voters who would once have been country-club Republicans are turning up in the Democratic Leadership Council, says Mrs Laszlo-Mizrahi.

ECONOMIST: The country-club vote

The Democratic Leadership Council (DLC) has been challenging old-fashioned liberalism since 1985.

ECONOMIST: The Republicans could learn a lot from the Democrats