Barack Obama said ... "the single most important factor determining their achievement [is] who their teacher is." An alternative hypothesis is that Obama's int

Barack Obama said ... "the single most important factor determining their achievement [is] who their teacher is." An alternative hypothesis is that Obama's intention was to shift the Overton Window. The budget for public education is huge, and it's not unreasonable to assume that some of his campaign donors are associated with charter schools or testing services.