instruction:
Given a document, find the main entity about whom the author is writing. Write the full name if mentioned in the text. Note that URLs in the text have been replaced with [Link].
question:
Story highlights  Kim  raises possibility of North Korean athletes in Winter Olympics in South Korea
(CNN)  North Korean leader Kim Jong Un  has warned the United States that  his  country's nuclear capabilities are now complete and the nuclear launch button is always on  his  desk.
"The entire mainland of the US is within the range of our nuclear weapons and the nuclear button is always on the desk of my office. They should accurately be aware that this is not a threat but a reality " said  Kim  during  his  annual New Year's Day address  according to a CNN translation of the speech.
"No matter how much America wants to attack us with their military might and nuclear power  they know that now we possess such great nuclear power and therefore they will not dare "  Kim  said  adding that  his  country's greatest achievement of 2017 was the "historic accomplishment of completing our nuclear capabilities."
Since coming to power   Kim  has overseen a dramatic increase in the pace of North Korea's missile program. As of February last year  Pyongyang has fired off 23 missiles  improving its technology with each launch. In September  the regime carried out its sixth and most powerful nuclear test.
Euan Graham  director of the International Security Program at the Lowy Institute  told CNN that  Kim 's nuclear button comment is "effectively just noise."
answer:
Kim Jong Un


question:
Bush owes us an apology . 
"If there 's any comparison between the compassion and decency of the American people and the terrorist tactics of extremists , it 's flawed logic ," Bush said .
answer:
George W Bush


question:
Jennifer Lawrenceâs acting career started at an early age â and  her  education ended at the same time.
The Oscar-winning actress revealed in an episode of â60 Minutesâ that  she  stopped going to school at age 14  before  she  even made it to high school.
âI dropped out of middle school. I donât technically have a GED or a diploma. I am self-educated â  she  told Bill Whitaker in the upcoming episode.
 Lawrence  first broke out onto the scene at age 20 â and by 22   she  was nominated and won  her  first Oscar for âSilver Linings Playbook" in 2013.
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 Actress Jennifer Lawrence  opens up in a 60 Minutes interview about  she  dropped out of school at 14. (VALERIE MACON/AFP/Getty Images)
 Lawrence   27  said reading a script is how  she  first felt âsmartâ as school was never for  her .
âI struggled through school  I never felt very smart. And when Iâm reading this script  and I feel like I know exactly what it would look like if somebody felt that way â  she  recalled to Whitaker. âThat was a whole part of my brain that I didnât even know existed. Something that I could be confident in. And I didnât want to let it go.â
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âItâs so hard to explain  it was just an overwhelming feeling of  âI get this. This is what I was meant to do ââ  Lawrence  continued.
answer:

Jennifer Lawrence