Why the Big 12 is touting a '5+11' CFP expansion model to combat the Big Ten's auto-bid push

Can the Big 12 and ACC convince Greg Sankey and the SEC to sign onto something other than the Big Ten's plan?

Why the Big 12 is touting a '5+11' CFP expansion model to combat the Big Ten's auto-bid push
Can the Big 12 and ACC convince Greg Sankey and the SEC to sign onto something other than the Big Ten's plan?