The flag, as a symbol of the nation, is not owned by the administration in power, but by the people. We battle over what it means, but all Americans have an equal right to claim the flag as their own. Progressives understand that people can disagree with their government and still love their country and its ideals.
We can call the CCSS the Common Core State Benchmarks, Guidelines, Requirements, or Ensigns for all I care. But this does not eliminate the fundamental truth that the CCSS is a curriculum. And like many iterations of curriculum, it is sullied by the ideologies and personal ambitions of its architects.