CBS News lost a legend this weekend. Many may not know of his incredibly unique position with CBS News and the White House. Mark Knoller may be the only person in Washington, D.C., who was revered by both Republican and Democratic presidents.

Mark had news pumping through every cell in his body. He began working at the Associated Press and was a star radio reporter for more than 13 years. Then, on a fateful trip to Helsinki with Secretary of State George Schultz, and a breakfast with Zirinsky in a hotel neither could pronounce, he was intrigued when she asked: Are you ready for more responsibility and a new challenge?

Mark Knoller of CBS News, center, waits for the start of the daily press briefing by White House press secretary Jay Carney at the White House in Washington, D.C., on

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