"For a news analyst and reporter of the happenings of the day to be successful, he or she needs three things: accuracy, timeliness, and the trust of the audience. Many are fortunate to have the first two. The trust of the audience must be earned," said Armstrong.
"Walter Cronkite seemed to enjoy the highest of ratings. He had a passion for human space exploration, an enthusiasm that was contagious, and the trust of his audience. He will be missed."
from Flame Trench here.