Complex sentence: Additional newscasts were scheduled in the early days of the war, but in May 1942 WCBW (like virtually all television stations) sharply cut back its program schedule and the newscasts were canceled.
Split into simpler sentences: Additional newscasts were scheduled in the early days of the war. In May 1942, WCBW (like virtually all television stations) sharply cut back its program schedule and the newscasts were canceled.