This week in TV Guide: May 7, 1966

A host of substantive specials lead off the week, beginning with our cover story on President Johnson's tour of the Texas White House. Lyndon Johnson's Texas (Monday, 10:00 p.m. PT, NBC) is an intimate look at the LBJ Ranch and the surrounding hill country of Texas, of which the President is intensely proud. Johnson personally conducts NBC's White House correspondent, Ray Scherer, and a film crew on the tour. Central Texas, and Johnson City, is where LBJ was born, grew up, represented, and lived for most of his life, and to know the land is to know Johnson himself. He tells Scherer that "I believe that the land is our greatest source of wealth, and a man who understands it and appreciates it would better understand democracy itself, our system of government and the people who live here." He shows Scherer the house in which he was born ("I was born before the doctor could get here. I was delivered by my grandmother. That was fairly common in those days."), the family plot, and the…