Inside the Mammoth Backlash to Common Core: How a bipartisan education reform effort became the biggest conservative bogeyman since Obamacare.

Mother Jones reports:

Common Core has cleaved apart the deep-pocketed conservative groups that fueled the anti-Obama uprising. Americans for Prosperity, the advocacy group founded by the Koch brothers, began targeting candidates who support the standards, blasting Common Core as an Obamacare-like takeover of the education system

An article worth your time.