Visitors to The Henry Ford museum in Dearborn, Mich., wait to board the Rosa Parks bus, Monday, Feb. 4, 2013. Earlier in the day the Rosa Parks' 100th birthday commemorative postage st

 

              Visitors to The Henry Ford museum in Dearborn, Mich.,  wait to board the Rosa Parks bus, Monday, Feb. 4, 2013. Earlier in the day the Rosa Parks
Visitors to The Henry Ford museum in Dearborn, Mich., wait to board the Rosa Parks bus, Monday, Feb. 4, 2013. Earlier in the day the Rosa Parks' 100th birthday commemorative postage stamp was unveiled at the museum.(AP Photo/Carlos Osorio)