Mark Knoller, a former CBS News White House correspondent known for keeping meticulous records of every presidential act, dies at the age of 73 (Chip Reid/CBS News)
Chip Reid / CBS News:
Mark Knoller, a former CBS News White House correspondent known for keeping meticulous records of every presidential act, dies at the age of 73 — Longtime CBS News correspondent Mark Knoller has died at the age of 73. — He died in Washington, D.C., according to a close friend.