[Cletus.D.Yokel]

He says Romney loudly told him several times to straighten it and then grabbed his shoulder.

Once a nanny-statist, always a nanny-statist. After the first verbal reminder, you get the flight crew's attention.

[9YearLurker]

Exactly. It’s not so much whether Romney was right and justified or not, it is more a revealing glimpse into his personality. Most Americans simply don’t go around acting, insistently, upon that sort of hall monitor impulse.