Anyway, Mr Obama himself asserted in his speech at the memorial service that partisan rancour did not cause the killing.

ECONOMIST: America is plunged into mourning and political acrimony

Martin Luther King Jr. stood in front of the Lincoln Memorial and delivered his "I Have a Dream" speech, one of the most inspirational orations in history.

NPR: The Long Historic Tale Of Aug. 28

The landscaped memorial would lie near the Lincoln Memorial, where King gave his "I have a dream" speech in 1963.

BBC: George Lucas wants Luther King's message to be remembered

But when Lea Rosh gave a speech at the inauguration of Berlin's new Holocaust memorial, she stunned the audience by brandishing a molar she found 17 years ago at Belzec, a Nazi concentration camp, and saying she would set it into one of the memorial's 2, 711 concrete pillars.

ECONOMIST: A gaggle of German gaffes

We're all very familiar, of course, with the speech Dr. King delivered from the steps of the Lincoln Memorial in the late summer of 1963.

WHITEHOUSE: President Obama at the "Let Freedom Ring" Concert

Giffords on Wednesday moved from the intensive care unit to the Institute for Rehabilitation and Research (TIRR) at Memorial Hermann in Houston, where she'll undergo physical, occupational and speech therapy to try to get her brain back to where it once was.

CNN: Doctors: Giffords faces a long, rocky road to recovery

On one side, it reads, "Out of the mountain of despair, a stone of hope, " from Dr. King's speech, "I Have a Dream, " presented at the Lincoln Memorial, August 28, 1963.

CNN: By the numbers: Martin Luther King Jr. Day