An Implied Threat to Remove Exxon Mobil From States That Refuse Common Core?

I was disturbed to read a letter sent from Rex Tillerson, CEO of Exxon Mobil,  to Pennsylvania Governor Tom Corbett last May

Stop Common Core Progress Update

We are drawing close to the end of the state legislative sessions.  I thought it would be a good time to highlight

Pennsylvania Governor Corbett Delays Implementation of Common Core

Governor Tom Corbett has ordered a delay in implementing the Common Core State Standards.  Via PennLive: Department of Education spokesman Tim Eller