Volunteer re-enactors Mike Robinson (L), portraying former Washington DC Police Superintendant A.C. Richards, and Elizabeth Hogan (C), portraying Mary Todd Lincoln, greet tourists prior to the rededication of the Lincoln Memorial in Washington, May 30, 2009. The 38,000-ton marble and granite monument, originally dedicated in 1922, is being rededicated in honor of the 200th anniversary of Lincoln's birth. Reuters Pictures 6 months ago

Volunteer re-enactors Mike Robinson (L), portraying former Washington DC Police Superintendant A.C. Richards, and Elizabeth Hogan (C), portraying Mary Todd Lincoln, greet tourists prior to the rededication of the Lincoln Memorial in Washington, May 30, 2009. The 38,000-ton marble and granite monument, originally dedicated in 1922, is being rededicated in honor of the 200th anniversary of Lincoln's birth.