A postal service employee prepares to cancel the Rosa Parks' 100th birthday commemorative postage stamp at The Henry Ford museum in Dearborn, Mich., Monday, Feb. 4, 2013. The museum h

 

              A postal service employee prepares to cancel the Rosa Parks
A postal service employee prepares to cancel the Rosa Parks' 100th birthday commemorative postage stamp at The Henry Ford museum in Dearborn, Mich., Monday, Feb. 4, 2013. The museum held a 12-hour celebration of the 100th anniversary of Parks’ birth. (AP Photo/Carlos Osorio)