As a CBS News bureau chief in Dallas in 1963, he covered the Kennedy assassination
[DOC] [TLE] 5 journalists who got their start covering the JFK assassination | PBS ... [PAR] Nov 15, 2013 ... President John F. Kennedy's trip to Dallas on Nov. 22, 1963, was still followed 
closely, but what started as a normal day became ... Later Lehrer would realize 
he had sat next to Oswald's assassin Jack Ruby during a news conference.