** FILE ** Rick Rivera (center), a retired schoolteacher from Upper Freehold, N.J., sports on his back a picture of New Jersey Gov. Chris Christie with Mickey Mouse ears as Mr. Rivera and public employee union members protest near the Statehouse in Trenton, N.J., on Monday, June 20, 2011. The state Senate and Assembly were debating a bill requiring sharply higher pension and health care contributions from public employees. The governor signed the legislation on Tuesday, June 28, 2011. (AP Photo/Julio Cortez)