Tim Gray Senior Vice PresidentOn June 29, 1966, CBS had an internal debate over its morning programming: Whether to cut to a news conference about a turning point in the Vietnam war — the U.S. bombing of Hanoi and Haiphong — or to air a decade-old “I Love Lucy” rerun. They decided to stick with “Lucy.”The sitcom, which ran 1951-57, is more than beloved: It’s become part of our collective unconscious.