James O'Keefe strikes again, this time, it's Common Core.

Fantastic expose of Common Core from @JamesOKeefeIII (PS HOMESCHOOL) https://t.co/iBqC4NmMiX

— Bethany S. Mandel (@bethanyshondark) January 12, 2016

CEO of Houghton Mifflin quickly Fires official @texspitfire after our Common Core expose. I just called her asking for an interview.

— James O'Keefe (@JamesOKeefeIII) January 12, 2016

BREAKING: We investigate Common Core - High ranking official on tape has been FIRED before we even released video! Video live in few minutes

— James O'Keefe (@JamesOKeefeIII) January 12, 2016

@JamesOKeefeIII targets #CommonCore w/new hidden-camera vid. Paging .@JebBush...thoughts? https://t.co/W8YqLjQwCH pic.twitter.com/Hi3HENiiP6

— Shaughn (@Shaughn_A) January 12, 2016

PV's new exposé on Common Core racket should be front & center at GOP debate: “It’s All About the Money” https://t.co/7q4vPETB3D

— Michelle Malkin (@michellemalkin) January 12, 2016

James O'Keefe strikes again, this time, it's Common Core. @JamesOKeefeIII #NoCommonCore https://t.co/4bTJyy33ay

— Avery Jesmer (@AveryJesmer) January 13, 2016

Breaking, Undercover in Common Core Part II — Publishing exec; “IT’S NEVER ABOUT THE KIDS” “I CAN SELL A SHIT TON" https://t.co/UpFMWenKdF

— James O'Keefe (@JamesOKeefeIII) January 14, 2016

Common Core is a threat to states, districts, and students. https://t.co/3C6Y40Nn4D #Cato2016 #GOPdebate

— Cato Institute (@CatoInstitute) January 15, 2016

BREAKING: Houghton Mifflin fires the SECOND executive caught on our camera… https://t.co/SUOXFxciEx pic.twitter.com/D0RurVlaQZ

— James O'Keefe (@JamesOKeefeIII) January 15, 2016

One by one they are get fired for telling the truth. I can do this all year. #IHateKids @ItsNeverAboutTheKids https://t.co/SUOXFxciEx

— James O'Keefe (@JamesOKeefeIII) January 15, 2016