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].
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Question: Images of Colbie Holderness after an alleged incident with her then-husband   Rob Porter   in the early 2000s. (Courtesy of Colbie Holderness)
The picture  if you havenât seen it  shows Colbie Holderness  one of  two ex-wives who have accused senior White House aide Rob Porter of physically abusing them . Porter  in the statement announcing his resignation Wednesday  declared that âthese outrageous allegations are simply false. I took the photos given to the media nearly 15 years ago and the reality behind them is nowhere close to what is being described.â
Following a tepid response by White House Chief of Staff John Kelly after news broke of a  Rob Porter's  history of domestic abuse  Post opinion writer Christine Emba says it's time to reconsider the general's "adult in the room" status. (The Washington Post)
Explain how White House Chief of Staff John F. Kelly  who reportedly knew of the FBI reports  could assert  in a statement circulated before and after the abuse photos emerged  â Rob Porter  is a man of true integrity and honor and I canât say enough good things about  him .  He  is a friend  a confidante and a trusted professional.â
 Rob Porter's ex-wife Jennie Willoughby  told The Post in an interview that the White House aide was abusive during their marriage.  Porter  resigned Wednesday after the allegations became public. (Dalton Bennett/The Washington Post)
Consider Porter  the seeming golden boy. Harvard University. Rhodes scholar. Republican bona fides (his father  Roger Porter  worked for President George H.W. Bush;  Rob Porter  served as chief of staff to Utah Sen. Orrin G. Hatch) to match what the Deseret News called his âstrong Latter-day Saint pedigree.â A man like that wouldnât abuse his wife  would he?

Answer: Rob Porter


Question: Bernie Sanders helps celebrate free City College tuition . 
With all the fervor of a revival meeting , about 700 people at City College of San Francisco today cheered U.S. Sen. Bernie Sanders and the supervisor who helped make tuition at the college free to city residents . 
I want to use my life to help other people , like Bernie ," Headrick said .

Answer: Bernie Sanders


Question: Cosplayers join Lupita Nyong'o's family for 'Black Panther' screening in actress' native Kenya
Chadwick Boseman stars as T'Challa/Black Panther in the first stand-alone film for the superhero created by Stan Lee and Jack Kirby in 1966. The cast also features Michael B. Jordan  Lupita Nyong'o  Daniel Kaluuya and Letitia Wright.
Lupita Nyong'o and Letitia Wright also star in the fim.
"Black Panther" vanquished those notions with $169 million in ticket sales. It was No. 1 in most international markets  though "Fifty Shades Freed" bested  it  in Germany.
 Its  release in China will come later. This weekend  the Chinese New Year holiday  local productions led by "Monster Hunt 2" and "Detective Chinatown 2" dominated Chinese theaters with more than $150 million in ticket sales each.

Answer:
Lupita Nyong'o