Delegates bound to Romney, who do not vote for him on the first round, will be disqualified. They will not prevent his nomination. The establishment has too much at stake.
That policy is being questioned by the delegates involved in the mess. The binding of delegates was a 20th Century manifestation that was only an unwritten rule. Delegates to the convention in prior years voted as they saw fit.
Prepare for heavy weather during the long hot summer of revolution.