Conversation so far:
When did Walter join CBS Evening news?
but later the CBS Evening News on September 2, 1963.
for how long was he the anchor of CBS evening News?
Cronkite's tenure as anchor of the CBS Evening News made him an icon in television news.
What kind of stories did Walter report?
A key moment for Cronkite came during his coverage of John F.
Kennedy's assassination on November 22, 1963.

Question: What was he known as during his time at CBS?
Self-contained rewrite: What was Walter Cronkite known for during his time at CBS?