Why do you suppose Kasich is now putting so much heat on the unions to come and speak to him?

After he refused to talk to them in February; let alone during the debate? And why should labor negotiate over being banned from negotiating? What kind of blackmail is that?Why do you suppose Kasich is now putting so much heat on the unions to come and speak to him?
Kasich knows that losing this "fight" takes him off the table as "generic white mid-western governor w/ VP aspirations."Why do you suppose Kasich is now putting so much heat on the unions to come and speak to him?
he putting the heat on because he knows that he made a blunder and he better try to fix it or he may not have a job come next election...