Barack Obama used an unexpected speech at the White House to personally address the debates over race relations that have convulsed America since George Zimmerman was acquitted over the shooting of the unarmed teenager Trayvon Martin.
It is into that unique point in America's political history that Obama stepped on Tuesday to deliver an unexpected speech about how and why, as president, he would expand the faith-based initiative programme.
In their new book, Cameron at 10, Anthony Seldon and Peter Snowdon describe Craig Oliver, the prime minister's communications chief, urging him on election night to "reclaim 'One Nation'" in his (unexpected) victory speech.
Elsewhere the budget had little effect, with traders saying there was not much unexpected in the speech.
In an unexpected 20-minute speech, broadcast live inside North Korea, Mr. Kim demonstrated a new leadership style but reaffirmed his adherence to the "military first" policy of his father, Kim Jong-il, which has left North Korea locked in a prolonged confrontation with the United States and its allies.
It's pleasing to note that the city's university awarded an honorary doctorate to Martin Luther King in his lifetime and that the unexpected and impromptu speech with which he received it in 1967 is up there with the legendary "I have a dream" of four years before.
Neural components of this pathway would be expected to respond to sudden, perhaps unexpected changes in speech signal that result in a change to narrative meaning.
In a context where pictures provide expectations about upcoming speech, unexpected word forms elicit a chain of effects in both adults and 14-month-old infants: early sub-lexical effects occurring during the PNP complex, followed by a discrete semantic integration effect occurring over the N2 wave.
And last night there were speeches of unexpected, old-time power.
The common knowledge includes all the other goofy stuff that happens at the Dolby Theatre: the wardrobe disasters; the unfunny jokes; the weird dance routines; the embarrassing acceptance speeches; the unexpected appearance of Michelle Obama on a large screen above Jack Nicholson's head.
