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].
One example: At least Raheem Morris finally has the name of the Bucs' starting quarterback in the back of his mind.
 He wants to make sure he made the decision with his head and not just his heart.
 That's why Morris declined to name his choice between Byron Leftwich and Luke McCown on Friday until after one last consultation with his coaching staff.
 After that  Morris said  he would inform the owners  then his team before making the eagerly awaited announcement. Players were off Friday  so an announcement could come this morning.
 "We'll have a decision here in the near future " Morris said. "I think we've got to go with who we think gives us the best chance to win.
Solution is here: Raheem Morris
Explanation: Here the main entity is Raheem  Morris since the main topic of the document is about him starting as quarterback.

Now, solve this: Sam Nunberg  a former campaign aide to Donald Trump   said early in Trump's presidential campaign   he  was instructed to help candidate Trump understand the U.S. Constitution.
 Nunberg  made the comments in "Fire and Fury: Inside the Trump White House " a book by journalist Michael Wolff.
"I got as far as the Fourth Amendment before  his  finger is pulling down on  his  lip and  his  eyes are rolling back in  his  head  " Nunberg  said in the book.
 Nunberg  was fired two months after Trump launched  his  presidential campaign  the Washington Examiner reported.
Solution:
Sam Nunberg