With the confidence and skill of a high-wire cyclist, Max Liebman each week whips together a 28-man, 1½ hour musical revue called Your Show of Shows (Sat. 9 p.m., E.S.T., NBC-TV). This week, 48-year-old Producer-Director Liebman displays his real virtuosity by riding two vehicles at once: he is putting on another 1½-hour musical, the Easter special Star-Spangled Revue (Sun. 5:30 p.m., E.S.T., NBC-TV), sponsored by Frigidaire and featuring Bob Hope, Beatrice Lillie, Dinah Shore and Douglas Fairbanks Jr., plus his own company.
Liebman accomplishes his production miracles by working with a veteran...