Some ideas and blog posts about common core, curriculum, and professional development from Al Cuoco and Cathy Kessel
https://mpi.edc.org/blog/promise-common-core
http://ltd.edc.org/curriculum-void-devoid-proof
https://mpi.edc.org/blog/professional-development-era-common-core-are-we-ready
http://mathedck.wordpress.com/2014/09/29/unfinished-business-from-300-bc/
http://mathedck.wordpress.com/2014/02/13/comments-on-ravitchs-mla-speech/
http://mathedck.wordpress.com/2013/08/03/interpreting-standards-from-other-nations-considerations-of-national-context/
http://mathedck.wordpress.com/2013/08/04/comments-on-milgrams-review-of-final-draft-core-standards/
http://mathedck.wordpress.com/2013/08/04/comments-on-goodmans-comparison-of-proposed-us-common-core-math-to-standards-of-selected-asian-countries/
http://mathedck.wordpress.com/2011/09/06/strange-accounts-of-the-common-core-state-standards/