And we shall overcome." In his closing words, the president invoked a rallying cry of the civil rights movement. An SCLC staffer watching the speech with Reverend Martin Luther King, Jr.

Bits of rock fall off the cliff face, usually due to freeze-thaw weathering.

(No, not Gaelic.) Naturally, the three of them form a rap group called Kneecap, sparking a movement to save the mother tongue of 80,000 native Irish speakers in Ireland and Northern Ireland.