This morning, Joe Williams, the executive director of the hedge-fund managers’ “education reform” front group (“Democrats for Education Reform”) published an opinion piece in the New York Daily News opposing Mayor Bill de Blasio’s plan to fund universal pre-kindergarten by taxing incomes over $500,000. As Mayor de Blasio has pointed out, the incremental tax to pay for U-PK would be the equivalent of a soy latte at Starbucks every day, about $1,000 a year for the city’s wealthiest residents. But the hedge fund managers say no. This may explain why the California Democratic party called out DFER last year and urged them to stop calling themselves “Democrats” when they are fronts for Republicans and corporate interests. Imagine someone who has a take home pay of half a million a year unwilling to pay another $1,000 to ensure that every child in the city has pre-kindergarten class. How embarrassing for DFER…